diff --git a/__fixtures__/bolt-workspace/package.json b/__fixtures__/bolt-workspace/package.json
deleted file mode 100644
index 851a601f6..000000000
--- a/__fixtures__/bolt-workspace/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "bolt-workspaces",
-  "description": "bolt-workspaces",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/bolt-workspace/packages/pkg-a/package.json b/__fixtures__/bolt-workspace/packages/pkg-a/package.json
deleted file mode 100644
index 6d1b4b4e9..000000000
--- a/__fixtures__/bolt-workspace/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "bolt-workspace-pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/bolt-workspace/packages/pkg-b/package.json b/__fixtures__/bolt-workspace/packages/pkg-b/package.json
deleted file mode 100644
index f4635f022..000000000
--- a/__fixtures__/bolt-workspace/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "bolt-workspace-pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/broken-changeset/.changeset/broken-changeset.md b/__fixtures__/broken-changeset/.changeset/broken-changeset.md
deleted file mode 100644
index 782d4469d..000000000
--- a/__fixtures__/broken-changeset/.changeset/broken-changeset.md
+++ /dev/null
@@ -1,7 +0,0 @@
----
-
-"cool-package": minor
-
---
-
-Everything is wrong
diff --git a/__fixtures__/dependant-with-tag-range/.changeset/README.md b/__fixtures__/dependant-with-tag-range/.changeset/README.md
deleted file mode 100644
index 99f92fc30..000000000
--- a/__fixtures__/dependant-with-tag-range/.changeset/README.md
+++ /dev/null
@@ -1 +0,0 @@
-# We just want a file in here so git collects it
diff --git a/__fixtures__/dependant-with-tag-range/.changeset/config.json b/__fixtures__/dependant-with-tag-range/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/dependant-with-tag-range/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/dependant-with-tag-range/examples/example-a/package.json b/__fixtures__/dependant-with-tag-range/examples/example-a/package.json
deleted file mode 100644
index 17ed60185..000000000
--- a/__fixtures__/dependant-with-tag-range/examples/example-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "example-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-a": "latest"
-  }
-}
diff --git a/__fixtures__/dependant-with-tag-range/package.json b/__fixtures__/dependant-with-tag-range/package.json
deleted file mode 100644
index f071b78bf..000000000
--- a/__fixtures__/dependant-with-tag-range/package.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "private": true,
-  "name": "dependant-with-tag-range",
-  "description": "example depending on latest tag",
-  "version": "1.0.0",
-  "workspaces": [
-    "examples/*",
-    "packages/*"
-  ]
-}
diff --git a/__fixtures__/dependant-with-tag-range/packages/pkg-a/package.json b/__fixtures__/dependant-with-tag-range/packages/pkg-a/package.json
deleted file mode 100644
index ee09b194d..000000000
--- a/__fixtures__/dependant-with-tag-range/packages/pkg-a/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/dev-and-prod-dep/.changeset/README.md b/__fixtures__/dev-and-prod-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/dev-and-prod-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/dev-and-prod-dep/.changeset/config.json b/__fixtures__/dev-and-prod-dep/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/dev-and-prod-dep/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/dev-and-prod-dep/package.json b/__fixtures__/dev-and-prod-dep/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/dev-and-prod-dep/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/dev-and-prod-dep/packages/pkg-a/package.json b/__fixtures__/dev-and-prod-dep/packages/pkg-a/package.json
deleted file mode 100644
index b0756577c..000000000
--- a/__fixtures__/dev-and-prod-dep/packages/pkg-a/package.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "1.0.0"
-  },
-  "devDependencies": {
-    "pkg-c": "1.0.0"
-  }
-}
diff --git a/__fixtures__/dev-and-prod-dep/packages/pkg-b/package.json b/__fixtures__/dev-and-prod-dep/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/dev-and-prod-dep/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/dev-and-prod-dep/packages/pkg-c/package.json b/__fixtures__/dev-and-prod-dep/packages/pkg-c/package.json
deleted file mode 100644
index 888ba5c7e..000000000
--- a/__fixtures__/dev-and-prod-dep/packages/pkg-c/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/easy-read/.changeset/basic-changeset.md b/__fixtures__/easy-read/.changeset/basic-changeset.md
deleted file mode 100644
index c232489ed..000000000
--- a/__fixtures__/easy-read/.changeset/basic-changeset.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"cool-package": minor
----
-
-Nice simple summary
diff --git a/__fixtures__/empty-changeset/.changeset/empty-changeset.md b/__fixtures__/empty-changeset/.changeset/empty-changeset.md
deleted file mode 100644
index a845151cc..000000000
--- a/__fixtures__/empty-changeset/.changeset/empty-changeset.md
+++ /dev/null
@@ -1,2 +0,0 @@
----
----
diff --git a/__fixtures__/fixed-packages/.changeset/README.md b/__fixtures__/fixed-packages/.changeset/README.md
deleted file mode 100644
index 99f92fc30..000000000
--- a/__fixtures__/fixed-packages/.changeset/README.md
+++ /dev/null
@@ -1 +0,0 @@
-# We just want a file in here so git collects it
diff --git a/__fixtures__/fixed-packages/package.json b/__fixtures__/fixed-packages/package.json
deleted file mode 100644
index 2035e7a09..000000000
--- a/__fixtures__/fixed-packages/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "two fixed projects",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/fixed-packages/packages/pkg-a/package.json b/__fixtures__/fixed-packages/packages/pkg-a/package.json
deleted file mode 100644
index 205afc493..000000000
--- a/__fixtures__/fixed-packages/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/fixed-packages/packages/pkg-b/package.json b/__fixtures__/fixed-packages/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/fixed-packages/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/ignored-changeset/.changeset/.ignored-temporarily.md b/__fixtures__/ignored-changeset/.changeset/.ignored-temporarily.md
deleted file mode 100644
index 8e84ebf78..000000000
--- a/__fixtures__/ignored-changeset/.changeset/.ignored-temporarily.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"pkg-b": minor
----
-
-Awesome feature, hidden behind a feature flag
diff --git a/__fixtures__/ignored-changeset/.changeset/README.md b/__fixtures__/ignored-changeset/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/ignored-changeset/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/ignored-changeset/.changeset/changesets-are-beautiful.md b/__fixtures__/ignored-changeset/.changeset/changesets-are-beautiful.md
deleted file mode 100644
index 943b7582e..000000000
--- a/__fixtures__/ignored-changeset/.changeset/changesets-are-beautiful.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"pkg-a": minor
----
-
-Nice simple summary, much wow
diff --git a/__fixtures__/ignored-changeset/.changeset/config.json b/__fixtures__/ignored-changeset/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/ignored-changeset/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/ignored-changeset/package.json b/__fixtures__/ignored-changeset/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/ignored-changeset/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/ignored-changeset/packages/pkg-a/package.json b/__fixtures__/ignored-changeset/packages/pkg-a/package.json
deleted file mode 100644
index 205afc493..000000000
--- a/__fixtures__/ignored-changeset/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/ignored-changeset/packages/pkg-b/package.json b/__fixtures__/ignored-changeset/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/ignored-changeset/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/ignored-package/.changeset/config.json b/__fixtures__/ignored-package/.changeset/config.json
deleted file mode 100644
index d218d4990..000000000
--- a/__fixtures__/ignored-package/.changeset/config.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "$schema": "https://unpkg.com/@changesets/config@1.3.0/schema.json",
-  "ignore": ["ignored-package-pkg-a"]
-}
diff --git a/__fixtures__/ignored-package/package.json b/__fixtures__/ignored-package/package.json
deleted file mode 100644
index fe1271f2b..000000000
--- a/__fixtures__/ignored-package/package.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "private": true,
-  "name": "ignored-package",
-  "version": "1.0.0",
-  "workspaces": [
-    "packages/*"
-  ]
-}
diff --git a/__fixtures__/ignored-package/packages/pkg-a/package.json b/__fixtures__/ignored-package/packages/pkg-a/package.json
deleted file mode 100644
index 3bb92c331..000000000
--- a/__fixtures__/ignored-package/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "ignored-package-pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "ignored-package-pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/ignored-package/packages/pkg-b/package.json b/__fixtures__/ignored-package/packages/pkg-b/package.json
deleted file mode 100644
index 4fe0eb694..000000000
--- a/__fixtures__/ignored-package/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "ignored-package-pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/interlinked-dependencies-with-0x-versions/.changeset/README.md b/__fixtures__/interlinked-dependencies-with-0x-versions/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/interlinked-dependencies-with-0x-versions/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/interlinked-dependencies-with-0x-versions/package.json b/__fixtures__/interlinked-dependencies-with-0x-versions/package.json
deleted file mode 100644
index 1a113cc48..000000000
--- a/__fixtures__/interlinked-dependencies-with-0x-versions/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "simple project, where packages are all 0.x versions",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/interlinked-dependencies-with-0x-versions/packages/pkg-a/package.json b/__fixtures__/interlinked-dependencies-with-0x-versions/packages/pkg-a/package.json
deleted file mode 100644
index 2fc88bdb8..000000000
--- a/__fixtures__/interlinked-dependencies-with-0x-versions/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "0.0.0",
-  "dependencies": {
-    "pkg-b": "~0.0.0"
-  }
-}
diff --git a/__fixtures__/interlinked-dependencies-with-0x-versions/packages/pkg-b/package.json b/__fixtures__/interlinked-dependencies-with-0x-versions/packages/pkg-b/package.json
deleted file mode 100644
index b49fa181e..000000000
--- a/__fixtures__/interlinked-dependencies-with-0x-versions/packages/pkg-b/package.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "0.0.0",
-  "dependencies": {
-    "pkg-c": "0.0.0",
-    "pkg-a": "^0.0.0"
-  }
-}
diff --git a/__fixtures__/interlinked-dependencies-with-0x-versions/packages/pkg-c/package.json b/__fixtures__/interlinked-dependencies-with-0x-versions/packages/pkg-c/package.json
deleted file mode 100644
index 51afcc344..000000000
--- a/__fixtures__/interlinked-dependencies-with-0x-versions/packages/pkg-c/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "0.0.0",
-  "dependencies": {
-    "pkg-a": "~0.0.0"
-  }
-}
diff --git a/__fixtures__/internal-dependencies/.changeset/README.md b/__fixtures__/internal-dependencies/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/internal-dependencies/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/internal-dependencies/package.json b/__fixtures__/internal-dependencies/package.json
deleted file mode 100644
index 684481d64..000000000
--- a/__fixtures__/internal-dependencies/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "simple project, just two workspaces, no dependencies",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/internal-dependencies/packages/pkg-a/package.json b/__fixtures__/internal-dependencies/packages/pkg-a/package.json
deleted file mode 100644
index 9db57bb5f..000000000
--- a/__fixtures__/internal-dependencies/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.3",
-  "dependencies": {
-    "pkg-b": "~1.2.0"
-  }
-}
diff --git a/__fixtures__/internal-dependencies/packages/pkg-b/package.json b/__fixtures__/internal-dependencies/packages/pkg-b/package.json
deleted file mode 100644
index 83c540b34..000000000
--- a/__fixtures__/internal-dependencies/packages/pkg-b/package.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.2.0",
-  "dependencies": {
-    "pkg-c": "2.0.0",
-    "pkg-a": "^1.0.3"
-  }
-}
diff --git a/__fixtures__/internal-dependencies/packages/pkg-c/package.json b/__fixtures__/internal-dependencies/packages/pkg-c/package.json
deleted file mode 100644
index 52bd12a21..000000000
--- a/__fixtures__/internal-dependencies/packages/pkg-c/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "2.0.0",
-  "dependencies": {
-    "pkg-a": "^1.0.3"
-  }
-}
diff --git a/__fixtures__/linked-and-not-linked-packages/.changeset/README.md b/__fixtures__/linked-and-not-linked-packages/.changeset/README.md
deleted file mode 100644
index 99f92fc30..000000000
--- a/__fixtures__/linked-and-not-linked-packages/.changeset/README.md
+++ /dev/null
@@ -1 +0,0 @@
-# We just want a file in here so git collects it
diff --git a/__fixtures__/linked-and-not-linked-packages/package.json b/__fixtures__/linked-and-not-linked-packages/package.json
deleted file mode 100644
index fd9c39c0b..000000000
--- a/__fixtures__/linked-and-not-linked-packages/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "linked-and-not-linked-packages",
-  "description": "three projects, 2 linked and one not",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/linked-and-not-linked-packages/packages/pkg-a/package.json b/__fixtures__/linked-and-not-linked-packages/packages/pkg-a/package.json
deleted file mode 100644
index ee09b194d..000000000
--- a/__fixtures__/linked-and-not-linked-packages/packages/pkg-a/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/linked-and-not-linked-packages/packages/pkg-b/package.json b/__fixtures__/linked-and-not-linked-packages/packages/pkg-b/package.json
deleted file mode 100644
index 3a55f166a..000000000
--- a/__fixtures__/linked-and-not-linked-packages/packages/pkg-b/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-c": "0.1.0"
-  }
-}
diff --git a/__fixtures__/linked-and-not-linked-packages/packages/pkg-c/package.json b/__fixtures__/linked-and-not-linked-packages/packages/pkg-c/package.json
deleted file mode 100644
index 86949f43d..000000000
--- a/__fixtures__/linked-and-not-linked-packages/packages/pkg-c/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "0.1.0"
-}
diff --git a/__fixtures__/linked-packages-with-linked-dev-dep/.changeset/README.md b/__fixtures__/linked-packages-with-linked-dev-dep/.changeset/README.md
deleted file mode 100644
index 99f92fc30..000000000
--- a/__fixtures__/linked-packages-with-linked-dev-dep/.changeset/README.md
+++ /dev/null
@@ -1 +0,0 @@
-# We just want a file in here so git collects it
diff --git a/__fixtures__/linked-packages-with-linked-dev-dep/.changeset/config.js b/__fixtures__/linked-packages-with-linked-dev-dep/.changeset/config.js
deleted file mode 100644
index ec00a8614..000000000
--- a/__fixtures__/linked-packages-with-linked-dev-dep/.changeset/config.js
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
-Hey, welcome to the changeset config! This file has been generated
-for you with the default configs we use, and some comments around
-what options mean, so that it's easy to customise your workflow.
-
-You should update this as you need to craft your workflow.
-
-Config provided by a CI command takes precedence over the contents of this file.
-
-If a config option isn't present here, we will fall back to the defaults.
-*/
-
-const changesetOptions = {
-  // If true, we will automatically commit the changeset when the command is run
-  commit: false
-};
-
-// This function takes information about a changeset to generate an entry for it in your
-// changelog. We provide the full changeset object as well as the version.
-// It may be a good idea to replace the commit hash with a link to the commit.
-
-/* the default shape is:
-### Bump Type
-
-- GIT_HASH: A summary message you wrote, indented?
-*/
-
-const getReleaseLine = async (changeset, type) => {
-  const [firstLine, ...futureLines] = changeset.summary
-    .split("\n")
-    .map(l => l.trimRight());
-
-  return `- ${changeset.commit}: ${firstLine}\n${futureLines
-    .map(l => `  ${l}`)
-    .join("\n")}`;
-};
-
-// This function takes information about what dependencies we are updating in the package.
-// It provides an array of related changesets, as well as the dependencies updated.
-
-/*
-- Updated dependencies: [ABCDEFG]:
-- Updated dependencies: [HIJKLMN]:
-  - dependencyA@1.0.1
-  - dependencyb@1.2.0
-*/
-const getDependencyReleaseLine = async (changesets, dependenciesUpdated) => {
-  if (dependenciesUpdated.length === 0) return "";
-
-  const changesetLinks = changesets.map(
-    changeset => `- Updated dependencies [${changeset.commit}]:`
-  );
-
-  const updatedDepenenciesList = dependenciesUpdated.map(
-    dependency => `  - ${dependency.name}@${dependency.version}`
-  );
-
-  return [...changesetLinks, ...updatedDepenenciesList].join("\n");
-};
-
-const versionOptions = {
-  // If true, we will automatically commit the version updating when the command is run
-  commit: false,
-  // Adds a skipCI flag to the commit - only valid if `commit` is also true.
-  skipCI: false,
-  // Do not modify the `changelog.md` files for packages that are updated
-  updateChangelog: true,
-  // A function that returns a string. It takes in options about a change. This allows you to customise your changelog entries
-  getReleaseLine,
-  // A function that returns a string. It takes in options about when a pacakge is updated because
-  getDependencyReleaseLine,
-  // An array of arrays that defines packages that are linked.
-  // Linked packages are packages that should be at the same version when they're released.
-  // If you've used Lerna to version packages before, this is very similar.
-  linked: [["pkg-a", "pkg-b"]]
-};
-
-const publishOptions = {
-  // This sets whether unpublished packages are public by default. We err on the side of caution here.
-  public: false
-};
-
-module.exports = {
-  versionOptions,
-  changesetOptions,
-  publishOptions
-};
diff --git a/__fixtures__/linked-packages-with-linked-dev-dep/package.json b/__fixtures__/linked-packages-with-linked-dev-dep/package.json
deleted file mode 100644
index 5501a2aef..000000000
--- a/__fixtures__/linked-packages-with-linked-dev-dep/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "linked-packages-with-linked-dev-dep",
-  "description": "linked projects where one of packages has a dev dependency on another",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/linked-packages-with-linked-dev-dep/packages/pkg-a/package.json b/__fixtures__/linked-packages-with-linked-dev-dep/packages/pkg-a/package.json
deleted file mode 100644
index b036cfd3a..000000000
--- a/__fixtures__/linked-packages-with-linked-dev-dep/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "devDependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/linked-packages-with-linked-dev-dep/packages/pkg-b/package.json b/__fixtures__/linked-packages-with-linked-dev-dep/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/linked-packages-with-linked-dev-dep/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/linked-packages/.changeset/README.md b/__fixtures__/linked-packages/.changeset/README.md
deleted file mode 100644
index 99f92fc30..000000000
--- a/__fixtures__/linked-packages/.changeset/README.md
+++ /dev/null
@@ -1 +0,0 @@
-# We just want a file in here so git collects it
diff --git a/__fixtures__/linked-packages/.changeset/config.js b/__fixtures__/linked-packages/.changeset/config.js
deleted file mode 100644
index ec00a8614..000000000
--- a/__fixtures__/linked-packages/.changeset/config.js
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
-Hey, welcome to the changeset config! This file has been generated
-for you with the default configs we use, and some comments around
-what options mean, so that it's easy to customise your workflow.
-
-You should update this as you need to craft your workflow.
-
-Config provided by a CI command takes precedence over the contents of this file.
-
-If a config option isn't present here, we will fall back to the defaults.
-*/
-
-const changesetOptions = {
-  // If true, we will automatically commit the changeset when the command is run
-  commit: false
-};
-
-// This function takes information about a changeset to generate an entry for it in your
-// changelog. We provide the full changeset object as well as the version.
-// It may be a good idea to replace the commit hash with a link to the commit.
-
-/* the default shape is:
-### Bump Type
-
-- GIT_HASH: A summary message you wrote, indented?
-*/
-
-const getReleaseLine = async (changeset, type) => {
-  const [firstLine, ...futureLines] = changeset.summary
-    .split("\n")
-    .map(l => l.trimRight());
-
-  return `- ${changeset.commit}: ${firstLine}\n${futureLines
-    .map(l => `  ${l}`)
-    .join("\n")}`;
-};
-
-// This function takes information about what dependencies we are updating in the package.
-// It provides an array of related changesets, as well as the dependencies updated.
-
-/*
-- Updated dependencies: [ABCDEFG]:
-- Updated dependencies: [HIJKLMN]:
-  - dependencyA@1.0.1
-  - dependencyb@1.2.0
-*/
-const getDependencyReleaseLine = async (changesets, dependenciesUpdated) => {
-  if (dependenciesUpdated.length === 0) return "";
-
-  const changesetLinks = changesets.map(
-    changeset => `- Updated dependencies [${changeset.commit}]:`
-  );
-
-  const updatedDepenenciesList = dependenciesUpdated.map(
-    dependency => `  - ${dependency.name}@${dependency.version}`
-  );
-
-  return [...changesetLinks, ...updatedDepenenciesList].join("\n");
-};
-
-const versionOptions = {
-  // If true, we will automatically commit the version updating when the command is run
-  commit: false,
-  // Adds a skipCI flag to the commit - only valid if `commit` is also true.
-  skipCI: false,
-  // Do not modify the `changelog.md` files for packages that are updated
-  updateChangelog: true,
-  // A function that returns a string. It takes in options about a change. This allows you to customise your changelog entries
-  getReleaseLine,
-  // A function that returns a string. It takes in options about when a pacakge is updated because
-  getDependencyReleaseLine,
-  // An array of arrays that defines packages that are linked.
-  // Linked packages are packages that should be at the same version when they're released.
-  // If you've used Lerna to version packages before, this is very similar.
-  linked: [["pkg-a", "pkg-b"]]
-};
-
-const publishOptions = {
-  // This sets whether unpublished packages are public by default. We err on the side of caution here.
-  public: false
-};
-
-module.exports = {
-  versionOptions,
-  changesetOptions,
-  publishOptions
-};
diff --git a/__fixtures__/linked-packages/package.json b/__fixtures__/linked-packages/package.json
deleted file mode 100644
index f2f6c7519..000000000
--- a/__fixtures__/linked-packages/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "two linked projects",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/linked-packages/packages/pkg-a/package.json b/__fixtures__/linked-packages/packages/pkg-a/package.json
deleted file mode 100644
index 6d10d84d6..000000000
--- a/__fixtures__/linked-packages/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "0.1.0"
-  }
-}
diff --git a/__fixtures__/linked-packages/packages/pkg-b/package.json b/__fixtures__/linked-packages/packages/pkg-b/package.json
deleted file mode 100644
index 7628b7fe6..000000000
--- a/__fixtures__/linked-packages/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "0.1.0"
-}
diff --git a/__fixtures__/multiple-changesets/.changeset/first-changeset.md b/__fixtures__/multiple-changesets/.changeset/first-changeset.md
deleted file mode 100644
index c232489ed..000000000
--- a/__fixtures__/multiple-changesets/.changeset/first-changeset.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"cool-package": minor
----
-
-Nice simple summary
diff --git a/__fixtures__/multiple-changesets/.changeset/second-changeset.md b/__fixtures__/multiple-changesets/.changeset/second-changeset.md
deleted file mode 100644
index e893cc33e..000000000
--- a/__fixtures__/multiple-changesets/.changeset/second-changeset.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"best-package": patch
----
-
-I'm amazed we needed to update the best package, because it was already the best
diff --git a/__fixtures__/new-config/.changeset/config.json b/__fixtures__/new-config/.changeset/config.json
deleted file mode 100644
index e3a81277f..000000000
--- a/__fixtures__/new-config/.changeset/config.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "changelog": false,
-  "commit": true
-}
diff --git a/__fixtures__/no-changeset-folder/.gitkeep b/__fixtures__/no-changeset-folder/.gitkeep
deleted file mode 100644
index e69de29bb..000000000
diff --git a/__fixtures__/no-changeset/.changeset/.gitkeep b/__fixtures__/no-changeset/.changeset/.gitkeep
deleted file mode 100644
index e69de29bb..000000000
diff --git a/__fixtures__/no-name-field/package.json b/__fixtures__/no-name-field/package.json
deleted file mode 100644
index 1f6f2d7c7..000000000
--- a/__fixtures__/no-name-field/package.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "private": true,
-  "name": "yarn-workspace-base",
-  "description": "Base yarn workspace work",
-  "version": "1.0.0",
-  "workspaces": [
-    "packages/*"
-  ]
-}
diff --git a/__fixtures__/no-name-field/packages/pkg-a/package.json b/__fixtures__/no-name-field/packages/pkg-a/package.json
deleted file mode 100644
index d902f7967..000000000
--- a/__fixtures__/no-name-field/packages/pkg-a/package.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/no-name-field/packages/pkg-b/package.json b/__fixtures__/no-name-field/packages/pkg-b/package.json
deleted file mode 100644
index 1587a6696..000000000
--- a/__fixtures__/no-name-field/packages/pkg-b/package.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/no-trailing-newline/package.json b/__fixtures__/no-trailing-newline/package.json
deleted file mode 100644
index e66dd5c47..000000000
--- a/__fixtures__/no-trailing-newline/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0"
-}
\ No newline at end of file
diff --git a/__fixtures__/old-changeset/.changeset/basic-changeset/changes.json b/__fixtures__/old-changeset/.changeset/basic-changeset/changes.json
deleted file mode 100644
index 6871207b8..000000000
--- a/__fixtures__/old-changeset/.changeset/basic-changeset/changes.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "releases": [
-    {
-      "name": "cool-package",
-      "type": "minor"
-    }
-  ],
-  "dependents": []
-}
diff --git a/__fixtures__/old-changeset/.changeset/basic-changeset/changes.md b/__fixtures__/old-changeset/.changeset/basic-changeset/changes.md
deleted file mode 100644
index 80c883ade..000000000
--- a/__fixtures__/old-changeset/.changeset/basic-changeset/changes.md
+++ /dev/null
@@ -1 +0,0 @@
-Nice simple summary
diff --git a/__fixtures__/pinned-caret-tilde-dependents/.changeset/README.md b/__fixtures__/pinned-caret-tilde-dependents/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/pinned-caret-tilde-dependents/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/pinned-caret-tilde-dependents/package.json b/__fixtures__/pinned-caret-tilde-dependents/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/pinned-caret-tilde-dependents/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/pinned-caret-tilde-dependents/packages/caret-dep/package.json b/__fixtures__/pinned-caret-tilde-dependents/packages/caret-dep/package.json
deleted file mode 100644
index 2ed661333..000000000
--- a/__fixtures__/pinned-caret-tilde-dependents/packages/caret-dep/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "caret-dep",
-  "version": "1.0.0",
-  "dependencies": {
-    "depended-upon": "^1.0.0"
-  }
-}
diff --git a/__fixtures__/pinned-caret-tilde-dependents/packages/depended-upon/package.json b/__fixtures__/pinned-caret-tilde-dependents/packages/depended-upon/package.json
deleted file mode 100644
index 4067befeb..000000000
--- a/__fixtures__/pinned-caret-tilde-dependents/packages/depended-upon/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "depended-upon",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/pinned-caret-tilde-dependents/packages/pinned-dep/package.json b/__fixtures__/pinned-caret-tilde-dependents/packages/pinned-dep/package.json
deleted file mode 100644
index 3d2cbf5a1..000000000
--- a/__fixtures__/pinned-caret-tilde-dependents/packages/pinned-dep/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pinned-dep",
-  "version": "1.0.0",
-  "dependencies": {
-    "depended-upon": "1.0.0"
-  }
-}
diff --git a/__fixtures__/pinned-caret-tilde-dependents/packages/tilde-dep/package.json b/__fixtures__/pinned-caret-tilde-dependents/packages/tilde-dep/package.json
deleted file mode 100644
index c7043b85f..000000000
--- a/__fixtures__/pinned-caret-tilde-dependents/packages/tilde-dep/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "tilde-dep",
-  "version": "1.0.0",
-  "dependencies": {
-    "depended-upon": "~1.0.0"
-  }
-}
diff --git a/__fixtures__/pnpm-workspace-base/package.json b/__fixtures__/pnpm-workspace-base/package.json
deleted file mode 100644
index 3994cd134..000000000
--- a/__fixtures__/pnpm-workspace-base/package.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "private": true,
-  "name": "pnpm-workspace-base",
-  "description": "Base pnpm workspace work",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/pnpm-workspace-base/packages/pkg-a/package.json b/__fixtures__/pnpm-workspace-base/packages/pkg-a/package.json
deleted file mode 100644
index 0917eaaec..000000000
--- a/__fixtures__/pnpm-workspace-base/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pnpm-workspace-base-pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pnpm-workspace-base-pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/pnpm-workspace-base/packages/pkg-b/package.json b/__fixtures__/pnpm-workspace-base/packages/pkg-b/package.json
deleted file mode 100644
index 9b8d622e7..000000000
--- a/__fixtures__/pnpm-workspace-base/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pnpm-workspace-base-pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/pnpm-workspace-base/pnpm-workspace.yaml b/__fixtures__/pnpm-workspace-base/pnpm-workspace.yaml
deleted file mode 100644
index 03833fc6f..000000000
--- a/__fixtures__/pnpm-workspace-base/pnpm-workspace.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-packages:
-  - '**'
diff --git a/__fixtures__/previously-checked-transitive-dependent/.changeset/README.md b/__fixtures__/previously-checked-transitive-dependent/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/previously-checked-transitive-dependent/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/previously-checked-transitive-dependent/package.json b/__fixtures__/previously-checked-transitive-dependent/package.json
deleted file mode 100644
index 7780f9306..000000000
--- a/__fixtures__/previously-checked-transitive-dependent/package.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "private": true,
-  "name": "previously-checked-transitive-dependent",
-  "description": "Here we use project where b->a (caret) and c->a (pinned) and b -> c (pinned)",
-  "description2": "Therefore bumping a will bump c (but not b), but bumping c will bump b anyway",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/previously-checked-transitive-dependent/packages/pkg-a/package.json b/__fixtures__/previously-checked-transitive-dependent/packages/pkg-a/package.json
deleted file mode 100644
index ee09b194d..000000000
--- a/__fixtures__/previously-checked-transitive-dependent/packages/pkg-a/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/previously-checked-transitive-dependent/packages/pkg-b/package.json b/__fixtures__/previously-checked-transitive-dependent/packages/pkg-b/package.json
deleted file mode 100644
index b3ed037b4..000000000
--- a/__fixtures__/previously-checked-transitive-dependent/packages/pkg-b/package.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-a": "^1.0.0" ,
-    "pkg-c": "1.0.0"
-  }
-}
diff --git a/__fixtures__/previously-checked-transitive-dependent/packages/pkg-c/package.json b/__fixtures__/previously-checked-transitive-dependent/packages/pkg-c/package.json
deleted file mode 100644
index 0762ee6d6..000000000
--- a/__fixtures__/previously-checked-transitive-dependent/packages/pkg-c/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "1.0.0",
-  "dependencies": { "pkg-a": "1.0.0" }
-}
diff --git a/__fixtures__/previously-checked-transitive-peer-dependent/.changeset/README.md b/__fixtures__/previously-checked-transitive-peer-dependent/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/previously-checked-transitive-peer-dependent/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/previously-checked-transitive-peer-dependent/package.json b/__fixtures__/previously-checked-transitive-peer-dependent/package.json
deleted file mode 100644
index e2bad47a7..000000000
--- a/__fixtures__/previously-checked-transitive-peer-dependent/package.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "private": true,
-  "name": "previously-checked-transitive-peer-dependent",
-  "description": "pkg-b has a caretDep on pkg-a and a caret dep on pkg-c, pkg-c has a caret peerDep",
-  "description2": "on pkg-a. Minor bumping pkg-a should not cause pkg-b to release, but will cause a",
-  "description3:": "major on pkg-c, which in turn patches pkg-b",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/previously-checked-transitive-peer-dependent/packages/pkg-a/package.json b/__fixtures__/previously-checked-transitive-peer-dependent/packages/pkg-a/package.json
deleted file mode 100644
index ee09b194d..000000000
--- a/__fixtures__/previously-checked-transitive-peer-dependent/packages/pkg-a/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/previously-checked-transitive-peer-dependent/packages/pkg-b/package.json b/__fixtures__/previously-checked-transitive-peer-dependent/packages/pkg-b/package.json
deleted file mode 100644
index 24733a15d..000000000
--- a/__fixtures__/previously-checked-transitive-peer-dependent/packages/pkg-b/package.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-a": "^1.0.0",
-    "pkg-c": "^1.0.0"
-  }
-}
diff --git a/__fixtures__/previously-checked-transitive-peer-dependent/packages/pkg-c/package.json b/__fixtures__/previously-checked-transitive-peer-dependent/packages/pkg-c/package.json
deleted file mode 100644
index 14074db0a..000000000
--- a/__fixtures__/previously-checked-transitive-peer-dependent/packages/pkg-c/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "1.0.0",
-  "peerDependencies": {
-    "pkg-a": "^1.0.0"
-  }
-}
diff --git a/__fixtures__/private-package-with-version-field/.changeset/config.json b/__fixtures__/private-package-with-version-field/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/private-package-with-version-field/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/private-package-with-version-field/package.json b/__fixtures__/private-package-with-version-field/package.json
deleted file mode 100644
index 14d4d5c5c..000000000
--- a/__fixtures__/private-package-with-version-field/package.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "private": true,
-  "name": "private-package-with-version-field",
-  "description": "Base yarn workspace work",
-  "version": "1.0.0",
-  "workspaces": [
-    "packages/*"
-  ]
-}
diff --git a/__fixtures__/private-package-with-version-field/packages/pkg-a/package.json b/__fixtures__/private-package-with-version-field/packages/pkg-a/package.json
deleted file mode 100644
index ee09b194d..000000000
--- a/__fixtures__/private-package-with-version-field/packages/pkg-a/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/private-package-with-version-field/packages/pkg-b/package.json b/__fixtures__/private-package-with-version-field/packages/pkg-b/package.json
deleted file mode 100644
index f1b81eab5..000000000
--- a/__fixtures__/private-package-with-version-field/packages/pkg-b/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0",
-  "private": true
-}
diff --git a/__fixtures__/private-package-with-version-field/packages/pkg-c/package.json b/__fixtures__/private-package-with-version-field/packages/pkg-c/package.json
deleted file mode 100644
index 888ba5c7e..000000000
--- a/__fixtures__/private-package-with-version-field/packages/pkg-c/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/private-package-without-version-field/.changeset/config.json b/__fixtures__/private-package-without-version-field/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/private-package-without-version-field/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/private-package-without-version-field/package.json b/__fixtures__/private-package-without-version-field/package.json
deleted file mode 100644
index b245108a3..000000000
--- a/__fixtures__/private-package-without-version-field/package.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "private": true,
-  "name": "private-package-without-version-field",
-  "description": "Base yarn workspace work",
-  "version": "1.0.0",
-  "workspaces": [
-    "packages/*"
-  ]
-}
diff --git a/__fixtures__/private-package-without-version-field/packages/pkg-a/package.json b/__fixtures__/private-package-without-version-field/packages/pkg-a/package.json
deleted file mode 100644
index ee09b194d..000000000
--- a/__fixtures__/private-package-without-version-field/packages/pkg-a/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/private-package-without-version-field/packages/pkg-b/package.json b/__fixtures__/private-package-without-version-field/packages/pkg-b/package.json
deleted file mode 100644
index 1a17612fe..000000000
--- a/__fixtures__/private-package-without-version-field/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "private": true
-}
diff --git a/__fixtures__/private-package-without-version-field/packages/pkg-c/package.json b/__fixtures__/private-package-without-version-field/packages/pkg-c/package.json
deleted file mode 100644
index 888ba5c7e..000000000
--- a/__fixtures__/private-package-without-version-field/packages/pkg-c/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/root-only/package.json b/__fixtures__/root-only/package.json
deleted file mode 100644
index 5d2e4dedc..000000000
--- a/__fixtures__/root-only/package.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "private": true,
-  "name": "root-only",
-  "description": "Nothing but the root project, a non-mono-repo",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/self-referenced/package.json b/__fixtures__/self-referenced/package.json
deleted file mode 100644
index d7489d9e4..000000000
--- a/__fixtures__/self-referenced/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "self-referenced",
-  "version": "0.0.0",
-  "devDependencies": {
-    "self-referenced": "file:"
-  }
-}
diff --git a/__fixtures__/simple-caret-peer-dep/.changeset/README.md b/__fixtures__/simple-caret-peer-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-caret-peer-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-caret-peer-dep/package.json b/__fixtures__/simple-caret-peer-dep/package.json
deleted file mode 100644
index cf18b71c8..000000000
--- a/__fixtures__/simple-caret-peer-dep/package.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "private": true,
-  "name": "simple-tilde-peer-dep-copy",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-caret-peer-dep/packages/depended-upon/package.json b/__fixtures__/simple-caret-peer-dep/packages/depended-upon/package.json
deleted file mode 100644
index 4067befeb..000000000
--- a/__fixtures__/simple-caret-peer-dep/packages/depended-upon/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "depended-upon",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-caret-peer-dep/packages/has-peer-dep/package.json b/__fixtures__/simple-caret-peer-dep/packages/has-peer-dep/package.json
deleted file mode 100644
index 530184920..000000000
--- a/__fixtures__/simple-caret-peer-dep/packages/has-peer-dep/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "has-peer-dep",
-  "version": "1.0.0",
-  "peerDependencies": {
-    "depended-upon": "^1.0.0"
-  }
-}
diff --git a/__fixtures__/simple-dev-dep/.changeset/README.md b/__fixtures__/simple-dev-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-dev-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-dev-dep/.changeset/config.json b/__fixtures__/simple-dev-dep/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/simple-dev-dep/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/simple-dev-dep/package.json b/__fixtures__/simple-dev-dep/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/simple-dev-dep/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-dev-dep/packages/pkg-a/package.json b/__fixtures__/simple-dev-dep/packages/pkg-a/package.json
deleted file mode 100644
index b036cfd3a..000000000
--- a/__fixtures__/simple-dev-dep/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "devDependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/simple-dev-dep/packages/pkg-b/package.json b/__fixtures__/simple-dev-dep/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/simple-dev-dep/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-pinned-peer-dep/.changeset/README.md b/__fixtures__/simple-pinned-peer-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-pinned-peer-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-pinned-peer-dep/package.json b/__fixtures__/simple-pinned-peer-dep/package.json
deleted file mode 100644
index 830fb6143..000000000
--- a/__fixtures__/simple-pinned-peer-dep/package.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "private": true,
-  "name": "simple-pinned-peer-dep",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-pinned-peer-dep/packages/depended-upon/package.json b/__fixtures__/simple-pinned-peer-dep/packages/depended-upon/package.json
deleted file mode 100644
index 4067befeb..000000000
--- a/__fixtures__/simple-pinned-peer-dep/packages/depended-upon/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "depended-upon",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-pinned-peer-dep/packages/has-peer-dep/package.json b/__fixtures__/simple-pinned-peer-dep/packages/has-peer-dep/package.json
deleted file mode 100644
index fb4fc3df8..000000000
--- a/__fixtures__/simple-pinned-peer-dep/packages/has-peer-dep/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "has-peer-dep",
-  "version": "1.0.0",
-  "peerDependencies": {
-    "depended-upon": "1.0.0"
-  }
-}
diff --git a/__fixtures__/simple-project-caret-dep/.changeset/README.md b/__fixtures__/simple-project-caret-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-project-caret-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-project-caret-dep/.changeset/config.json b/__fixtures__/simple-project-caret-dep/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/simple-project-caret-dep/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/simple-project-caret-dep/package.json b/__fixtures__/simple-project-caret-dep/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/simple-project-caret-dep/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-project-caret-dep/packages/pkg-a/package.json b/__fixtures__/simple-project-caret-dep/packages/pkg-a/package.json
deleted file mode 100644
index 7ba6cd093..000000000
--- a/__fixtures__/simple-project-caret-dep/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "^1.0.0"
-  }
-}
diff --git a/__fixtures__/simple-project-caret-dep/packages/pkg-b/package.json b/__fixtures__/simple-project-caret-dep/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/simple-project-caret-dep/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-project-custom-config/.changeset/README.md b/__fixtures__/simple-project-custom-config/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-project-custom-config/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-project-custom-config/.changeset/config.json b/__fixtures__/simple-project-custom-config/.changeset/config.json
deleted file mode 100644
index 5ab083e97..000000000
--- a/__fixtures__/simple-project-custom-config/.changeset/config.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "commit": true,
-  "changelog": "./getChangelogEntry.js"
-}
diff --git a/__fixtures__/simple-project-custom-config/.changeset/getChangelogEntry.js b/__fixtures__/simple-project-custom-config/.changeset/getChangelogEntry.js
deleted file mode 100644
index 359ce0771..000000000
--- a/__fixtures__/simple-project-custom-config/.changeset/getChangelogEntry.js
+++ /dev/null
@@ -1,33 +0,0 @@
-// This custom config comes from atlaskit
-const getLinkMD = commit =>
-  `[${commit}](https://bitbucket.org/atlassian/atlaskit-mk-2/commits/${commit})`;
-
-const getReleaseLine = async (changeset, versionType) => {
-  const indentedSummary = changeset.summary
-    .split("\n")
-    .map(l => `  ${l}`.trimRight())
-    .join("\n");
-
-  return `- [${versionType}] ${getLinkMD(
-    changeset.commit
-  )}:\n\n${indentedSummary}`;
-};
-
-const getDependencyReleaseLine = async (changesets, dependenciesUpdated) => {
-  if (dependenciesUpdated.length === 0) return "";
-
-  const changesetLinks = changesets.map(
-    changeset => `- Updated dependencies ${getLinkMD(changeset.commit)}:`
-  );
-
-  const updatedDepenenciesList = dependenciesUpdated.map(
-    dependency => `  - ${dependency.name}@${dependency.newVersion}`
-  );
-
-  return [...changesetLinks, ...updatedDepenenciesList].join("\n");
-};
-
-module.exports = {
-  getReleaseLine,
-  getDependencyReleaseLine
-};
diff --git a/__fixtures__/simple-project-custom-config/package.json b/__fixtures__/simple-project-custom-config/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/simple-project-custom-config/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-project-custom-config/packages/pkg-a/package.json b/__fixtures__/simple-project-custom-config/packages/pkg-a/package.json
deleted file mode 100644
index 205afc493..000000000
--- a/__fixtures__/simple-project-custom-config/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/simple-project-custom-config/packages/pkg-b/package.json b/__fixtures__/simple-project-custom-config/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/simple-project-custom-config/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-project-same-dep-diff-range/.changeset/README.md b/__fixtures__/simple-project-same-dep-diff-range/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-project-same-dep-diff-range/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-project-same-dep-diff-range/.changeset/config.json b/__fixtures__/simple-project-same-dep-diff-range/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/simple-project-same-dep-diff-range/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/simple-project-same-dep-diff-range/package.json b/__fixtures__/simple-project-same-dep-diff-range/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/simple-project-same-dep-diff-range/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-project-same-dep-diff-range/packages/pkg-a/package.json b/__fixtures__/simple-project-same-dep-diff-range/packages/pkg-a/package.json
deleted file mode 100644
index 70ab6243b..000000000
--- a/__fixtures__/simple-project-same-dep-diff-range/packages/pkg-a/package.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "peerDependencies": {
-    "pkg-b": "^1.0.0"
-  },
-  "devDependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/simple-project-same-dep-diff-range/packages/pkg-b/package.json b/__fixtures__/simple-project-same-dep-diff-range/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/simple-project-same-dep-diff-range/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-project-with-changelogs/.changeset/README.md b/__fixtures__/simple-project-with-changelogs/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-project-with-changelogs/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-project-with-changelogs/package.json b/__fixtures__/simple-project-with-changelogs/package.json
deleted file mode 100644
index 1e4493120..000000000
--- a/__fixtures__/simple-project-with-changelogs/package.json
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-  "private": true,
-  "name": "changelog fixtures",
-  "description": "simple project with no content beside changelog variants",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ],
-    "releases": {
-      "baseCommitUrl": "https://somewhere-fake-to-visit.com"
-    }
-  }
-}
diff --git a/__fixtures__/simple-project-with-changelogs/packages/has-empty-changelog/CHANGELOG.md b/__fixtures__/simple-project-with-changelogs/packages/has-empty-changelog/CHANGELOG.md
deleted file mode 100644
index e69de29bb..000000000
diff --git a/__fixtures__/simple-project-with-changelogs/packages/has-empty-changelog/package.json b/__fixtures__/simple-project-with-changelogs/packages/has-empty-changelog/package.json
deleted file mode 100644
index d5e2866af..000000000
--- a/__fixtures__/simple-project-with-changelogs/packages/has-empty-changelog/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "has-empty-changelog",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-project-with-changelogs/packages/has-filled-changelog/CHANGELOG.md b/__fixtures__/simple-project-with-changelogs/packages/has-filled-changelog/CHANGELOG.md
deleted file mode 100644
index e6bfcfcf8..000000000
--- a/__fixtures__/simple-project-with-changelogs/packages/has-filled-changelog/CHANGELOG.md
+++ /dev/null
@@ -1,6 +0,0 @@
-# Has Empty Changelog
-
-## 1.0.0
-
-- [patch] This existed before [b8bb699](https://bitbucket.org/atlassian/atlaskit-mk-2/commits/b8bb699)
-- [minor] This also existed before [abcdefg](https://bitbucket.org/atlassian/atlaskit-mk-2/commits/abcdefg)
diff --git a/__fixtures__/simple-project-with-changelogs/packages/has-filled-changelog/package.json b/__fixtures__/simple-project-with-changelogs/packages/has-filled-changelog/package.json
deleted file mode 100644
index bf222b2fd..000000000
--- a/__fixtures__/simple-project-with-changelogs/packages/has-filled-changelog/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "has-filled-changelog",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-project-with-changelogs/packages/has-no-changelog/package.json b/__fixtures__/simple-project-with-changelogs/packages/has-no-changelog/package.json
deleted file mode 100644
index 702722a5a..000000000
--- a/__fixtures__/simple-project-with-changelogs/packages/has-no-changelog/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "has-no-changelog",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-project-with-ignore-config/.changeset/README.md b/__fixtures__/simple-project-with-ignore-config/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-project-with-ignore-config/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-project-with-ignore-config/.changeset/config.json b/__fixtures__/simple-project-with-ignore-config/.changeset/config.json
deleted file mode 100644
index 4004d002c..000000000
--- a/__fixtures__/simple-project-with-ignore-config/.changeset/config.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "ignore": ["pkg-a"]
-}
diff --git a/__fixtures__/simple-project-with-ignore-config/package.json b/__fixtures__/simple-project-with-ignore-config/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/simple-project-with-ignore-config/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-project-with-ignore-config/packages/pkg-a/package.json b/__fixtures__/simple-project-with-ignore-config/packages/pkg-a/package.json
deleted file mode 100644
index 205afc493..000000000
--- a/__fixtures__/simple-project-with-ignore-config/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/simple-project-with-ignore-config/packages/pkg-b/package.json b/__fixtures__/simple-project-with-ignore-config/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/simple-project-with-ignore-config/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-project/.changeset/README.md b/__fixtures__/simple-project/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-project/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-project/.changeset/config.json b/__fixtures__/simple-project/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/simple-project/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/simple-project/package.json b/__fixtures__/simple-project/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/simple-project/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-project/packages/pkg-a/package.json b/__fixtures__/simple-project/packages/pkg-a/package.json
deleted file mode 100644
index 205afc493..000000000
--- a/__fixtures__/simple-project/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/simple-project/packages/pkg-b/package.json b/__fixtures__/simple-project/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/simple-project/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-star-dep/.changeset/README.md b/__fixtures__/simple-star-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-star-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-star-dep/.changeset/config.json b/__fixtures__/simple-star-dep/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/simple-star-dep/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/simple-star-dep/package.json b/__fixtures__/simple-star-dep/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/simple-star-dep/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-star-dep/packages/pkg-a/package.json b/__fixtures__/simple-star-dep/packages/pkg-a/package.json
deleted file mode 100644
index 1b5eaffb6..000000000
--- a/__fixtures__/simple-star-dep/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "*"
-  }
-}
diff --git a/__fixtures__/simple-star-dep/packages/pkg-b/package.json b/__fixtures__/simple-star-dep/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/simple-star-dep/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-tilde-peer-dep/.changeset/README.md b/__fixtures__/simple-tilde-peer-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-tilde-peer-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-tilde-peer-dep/package.json b/__fixtures__/simple-tilde-peer-dep/package.json
deleted file mode 100644
index cf18b71c8..000000000
--- a/__fixtures__/simple-tilde-peer-dep/package.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "private": true,
-  "name": "simple-tilde-peer-dep-copy",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-tilde-peer-dep/packages/depended-upon/package.json b/__fixtures__/simple-tilde-peer-dep/packages/depended-upon/package.json
deleted file mode 100644
index 4067befeb..000000000
--- a/__fixtures__/simple-tilde-peer-dep/packages/depended-upon/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "depended-upon",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-tilde-peer-dep/packages/has-peer-dep/package.json b/__fixtures__/simple-tilde-peer-dep/packages/has-peer-dep/package.json
deleted file mode 100644
index 6d5d88f1b..000000000
--- a/__fixtures__/simple-tilde-peer-dep/packages/has-peer-dep/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "has-peer-dep",
-  "version": "1.0.0",
-  "peerDependencies": {
-    "depended-upon": "~1.0.0"
-  }
-}
diff --git a/__fixtures__/simple-workspace-range-dep/.changeset/README.md b/__fixtures__/simple-workspace-range-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-workspace-range-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-workspace-range-dep/.changeset/config.json b/__fixtures__/simple-workspace-range-dep/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/simple-workspace-range-dep/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/simple-workspace-range-dep/package.json b/__fixtures__/simple-workspace-range-dep/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/simple-workspace-range-dep/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-workspace-range-dep/packages/pkg-a/package.json b/__fixtures__/simple-workspace-range-dep/packages/pkg-a/package.json
deleted file mode 100644
index 74bdb1fa6..000000000
--- a/__fixtures__/simple-workspace-range-dep/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "workspace:1.0.0"
-  }
-}
diff --git a/__fixtures__/simple-workspace-range-dep/packages/pkg-b/package.json b/__fixtures__/simple-workspace-range-dep/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/simple-workspace-range-dep/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simple-workspace-wildcard-range-dep/.changeset/README.md b/__fixtures__/simple-workspace-wildcard-range-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simple-workspace-wildcard-range-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simple-workspace-wildcard-range-dep/.changeset/config.json b/__fixtures__/simple-workspace-wildcard-range-dep/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/simple-workspace-wildcard-range-dep/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/simple-workspace-wildcard-range-dep/package.json b/__fixtures__/simple-workspace-wildcard-range-dep/package.json
deleted file mode 100644
index 1d9d718fe..000000000
--- a/__fixtures__/simple-workspace-wildcard-range-dep/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-workspace-wildcard-range-dep",
-  "description": "2 projects, one depending on another with `workspace:*` range",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simple-workspace-wildcard-range-dep/packages/pkg-a/package.json b/__fixtures__/simple-workspace-wildcard-range-dep/packages/pkg-a/package.json
deleted file mode 100644
index 7189d052e..000000000
--- a/__fixtures__/simple-workspace-wildcard-range-dep/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "workspace:*"
-  }
-}
diff --git a/__fixtures__/simple-workspace-wildcard-range-dep/packages/pkg-b/package.json b/__fixtures__/simple-workspace-wildcard-range-dep/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/simple-workspace-wildcard-range-dep/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simplest-transitive-dependents/.changeset/README.md b/__fixtures__/simplest-transitive-dependents/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simplest-transitive-dependents/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simplest-transitive-dependents/package.json b/__fixtures__/simplest-transitive-dependents/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/simplest-transitive-dependents/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simplest-transitive-dependents/packages/pkg-a/package.json b/__fixtures__/simplest-transitive-dependents/packages/pkg-a/package.json
deleted file mode 100644
index ee09b194d..000000000
--- a/__fixtures__/simplest-transitive-dependents/packages/pkg-a/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simplest-transitive-dependents/packages/pkg-b/package.json b/__fixtures__/simplest-transitive-dependents/packages/pkg-b/package.json
deleted file mode 100644
index 3c931e915..000000000
--- a/__fixtures__/simplest-transitive-dependents/packages/pkg-b/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0",
-  "dependencies": { "pkg-a": "1.0.0" }
-}
diff --git a/__fixtures__/simplest-transitive-dependents/packages/pkg-c/package.json b/__fixtures__/simplest-transitive-dependents/packages/pkg-c/package.json
deleted file mode 100644
index 09756a7d5..000000000
--- a/__fixtures__/simplest-transitive-dependents/packages/pkg-c/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "1.0.0",
-  "dependencies": { "pkg-b": "1.0.0" }
-}
diff --git a/__fixtures__/simplest-transitive-devdependent/.changeset/README.md b/__fixtures__/simplest-transitive-devdependent/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/simplest-transitive-devdependent/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/simplest-transitive-devdependent/package.json b/__fixtures__/simplest-transitive-devdependent/package.json
deleted file mode 100644
index 2e742d825..000000000
--- a/__fixtures__/simplest-transitive-devdependent/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/simplest-transitive-devdependent/packages/pkg-a/package.json b/__fixtures__/simplest-transitive-devdependent/packages/pkg-a/package.json
deleted file mode 100644
index ee09b194d..000000000
--- a/__fixtures__/simplest-transitive-devdependent/packages/pkg-a/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/simplest-transitive-devdependent/packages/pkg-b/package.json b/__fixtures__/simplest-transitive-devdependent/packages/pkg-b/package.json
deleted file mode 100644
index 35ff69741..000000000
--- a/__fixtures__/simplest-transitive-devdependent/packages/pkg-b/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0",
-  "devDependencies": { "pkg-a": "1.0.0" }
-}
diff --git a/__fixtures__/simplest-transitive-devdependent/packages/pkg-c/package.json b/__fixtures__/simplest-transitive-devdependent/packages/pkg-c/package.json
deleted file mode 100644
index 09756a7d5..000000000
--- a/__fixtures__/simplest-transitive-devdependent/packages/pkg-c/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "1.0.0",
-  "dependencies": { "pkg-b": "1.0.0" }
-}
diff --git a/__fixtures__/single-package/.changeset/config.json b/__fixtures__/single-package/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/single-package/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/single-package/package.json b/__fixtures__/single-package/package.json
deleted file mode 100644
index ab0e06dbf..000000000
--- a/__fixtures__/single-package/package.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "private": true,
-  "name": "single-package",
-  "description": "Nothing but the root project, a non-mono-repo",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/small-array/package.json b/__fixtures__/small-array/package.json
deleted file mode 100644
index ac5884149..000000000
--- a/__fixtures__/small-array/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "files": [
-    "lib"
-  ]
-}
diff --git a/__fixtures__/tab-indent/package.json b/__fixtures__/tab-indent/package.json
deleted file mode 100644
index 99d048688..000000000
--- a/__fixtures__/tab-indent/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-	"name": "pkg-a",
-	"version": "1.0.0"
-}
diff --git a/__fixtures__/with-git/.changeset/README.md b/__fixtures__/with-git/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/with-git/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/with-git/.changeset/changes.json b/__fixtures__/with-git/.changeset/changes.json
deleted file mode 100644
index 3e9c23d47..000000000
--- a/__fixtures__/with-git/.changeset/changes.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "releases": [{ "name": "with-git", "type": "patch" }],
-  "dependents": []
-}
diff --git a/__fixtures__/with-git/.changeset/quick-lions-devour.md b/__fixtures__/with-git/.changeset/quick-lions-devour.md
deleted file mode 100644
index 3802c7428..000000000
--- a/__fixtures__/with-git/.changeset/quick-lions-devour.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"pkga-a": minor
----
-
-This is a pretty bogus changeset
diff --git a/__fixtures__/with-git/package.json b/__fixtures__/with-git/package.json
deleted file mode 100644
index 1ce4de0b5..000000000
--- a/__fixtures__/with-git/package.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages",
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/with-git/packages/package.json b/__fixtures__/with-git/packages/package.json
deleted file mode 100644
index d67d5464c..000000000
--- a/__fixtures__/with-git/packages/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "packages",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/with-git/packages/pkg-a/index.js b/__fixtures__/with-git/packages/pkg-a/index.js
deleted file mode 100644
index 5d4a0e1d8..000000000
--- a/__fixtures__/with-git/packages/pkg-a/index.js
+++ /dev/null
@@ -1 +0,0 @@
-const example = "this is a test file for package A";
diff --git a/__fixtures__/with-git/packages/pkg-a/package.json b/__fixtures__/with-git/packages/pkg-a/package.json
deleted file mode 100644
index 205afc493..000000000
--- a/__fixtures__/with-git/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/with-git/packages/pkg-b/index.js b/__fixtures__/with-git/packages/pkg-b/index.js
deleted file mode 100644
index dce670e2a..000000000
--- a/__fixtures__/with-git/packages/pkg-b/index.js
+++ /dev/null
@@ -1 +0,0 @@
-const example = "this is a test file for package B";
diff --git a/__fixtures__/with-git/packages/pkg-b/package.json b/__fixtures__/with-git/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/with-git/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/with-readme/.changeset/README.md b/__fixtures__/with-readme/.changeset/README.md
deleted file mode 100644
index be9cf2c5d..000000000
--- a/__fixtures__/with-readme/.changeset/README.md
+++ /dev/null
@@ -1 +0,0 @@
-NOPE
diff --git a/__fixtures__/with-readme/.changeset/basic-changeset.md b/__fixtures__/with-readme/.changeset/basic-changeset.md
deleted file mode 100644
index c232489ed..000000000
--- a/__fixtures__/with-readme/.changeset/basic-changeset.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"cool-package": minor
----
-
-Nice simple summary
diff --git a/__fixtures__/without-existing-changeset/package.json b/__fixtures__/without-existing-changeset/package.json
deleted file mode 100644
index 080093def..000000000
--- a/__fixtures__/without-existing-changeset/package.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "private": true,
-    "name": "simple-project",
-    "description": "Nothing here but .changeset folder",
-    "version": "1.0.0",
-    "bolt": {
-      "workspaces": [
-        "packages/*"
-      ]
-    }
-  }
-  
\ No newline at end of file
diff --git a/__fixtures__/workspace-alias-range-dep/.changeset/README.md b/__fixtures__/workspace-alias-range-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/workspace-alias-range-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/workspace-alias-range-dep/.changeset/config.json b/__fixtures__/workspace-alias-range-dep/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/workspace-alias-range-dep/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/workspace-alias-range-dep/package.json b/__fixtures__/workspace-alias-range-dep/package.json
deleted file mode 100644
index 0031ef590..000000000
--- a/__fixtures__/workspace-alias-range-dep/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "workspace-alias-range-dep",
-  "description": "3 projects, one depending on the rest with `workspace:^` and `workspace:~` ranges",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/workspace-alias-range-dep/packages/pkg-a/package.json b/__fixtures__/workspace-alias-range-dep/packages/pkg-a/package.json
deleted file mode 100644
index f03c33a1e..000000000
--- a/__fixtures__/workspace-alias-range-dep/packages/pkg-a/package.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "workspace:^",
-    "pkg-c": "workspace:~"
-  }
-}
diff --git a/__fixtures__/workspace-alias-range-dep/packages/pkg-b/package.json b/__fixtures__/workspace-alias-range-dep/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/workspace-alias-range-dep/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/workspace-alias-range-dep/packages/pkg-c/package.json b/__fixtures__/workspace-alias-range-dep/packages/pkg-c/package.json
deleted file mode 100644
index 888ba5c7e..000000000
--- a/__fixtures__/workspace-alias-range-dep/packages/pkg-c/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/workspace-and-other-range-dep/.changeset/README.md b/__fixtures__/workspace-and-other-range-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/workspace-and-other-range-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/workspace-and-other-range-dep/.changeset/config.json b/__fixtures__/workspace-and-other-range-dep/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/workspace-and-other-range-dep/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/workspace-and-other-range-dep/package.json b/__fixtures__/workspace-and-other-range-dep/package.json
deleted file mode 100644
index ebb8fb88e..000000000
--- a/__fixtures__/workspace-and-other-range-dep/package.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "three projects, each depending on one other",
-  "version": "1.0.0",
-  "workspaces": [
-    "packages/*"
-  ]
-}
diff --git a/__fixtures__/workspace-and-other-range-dep/packages/pkg-a/package.json b/__fixtures__/workspace-and-other-range-dep/packages/pkg-a/package.json
deleted file mode 100644
index 74bdb1fa6..000000000
--- a/__fixtures__/workspace-and-other-range-dep/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "workspace:1.0.0"
-  }
-}
diff --git a/__fixtures__/workspace-and-other-range-dep/packages/pkg-b/package.json b/__fixtures__/workspace-and-other-range-dep/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/workspace-and-other-range-dep/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/workspace-and-other-range-dep/packages/pkg-c/package.json b/__fixtures__/workspace-and-other-range-dep/packages/pkg-c/package.json
deleted file mode 100644
index 181af8e4c..000000000
--- a/__fixtures__/workspace-and-other-range-dep/packages/pkg-c/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/workspace-version-alias-dep/.changeset/README.md b/__fixtures__/workspace-version-alias-dep/.changeset/README.md
deleted file mode 100644
index fd188f505..000000000
--- a/__fixtures__/workspace-version-alias-dep/.changeset/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# We just want a file in here so git collects it
-
-For this we have deliberately not included a config file, as we want to test the defaults
\ No newline at end of file
diff --git a/__fixtures__/workspace-version-alias-dep/.changeset/config.json b/__fixtures__/workspace-version-alias-dep/.changeset/config.json
deleted file mode 100644
index 0967ef424..000000000
--- a/__fixtures__/workspace-version-alias-dep/.changeset/config.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/__fixtures__/workspace-version-alias-dep/package.json b/__fixtures__/workspace-version-alias-dep/package.json
deleted file mode 100644
index 148971d3c..000000000
--- a/__fixtures__/workspace-version-alias-dep/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "simple-project",
-  "description": "Four projects with workspace version aliases",
-  "version": "1.0.0",
-  "bolt": {
-    "workspaces": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/workspace-version-alias-dep/packages/pkg-a/package.json b/__fixtures__/workspace-version-alias-dep/packages/pkg-a/package.json
deleted file mode 100644
index 827bbb36d..000000000
--- a/__fixtures__/workspace-version-alias-dep/packages/pkg-a/package.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "name": "pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "pkg-b": "workspace:*",
-    "pkg-c": "workspace:^",
-    "pkg-d": "workspace:~"
-  }
-}
diff --git a/__fixtures__/workspace-version-alias-dep/packages/pkg-b/package.json b/__fixtures__/workspace-version-alias-dep/packages/pkg-b/package.json
deleted file mode 100644
index be4760eb1..000000000
--- a/__fixtures__/workspace-version-alias-dep/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/workspace-version-alias-dep/packages/pkg-c/package.json b/__fixtures__/workspace-version-alias-dep/packages/pkg-c/package.json
deleted file mode 100644
index 888ba5c7e..000000000
--- a/__fixtures__/workspace-version-alias-dep/packages/pkg-c/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-c",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/workspace-version-alias-dep/packages/pkg-d/package.json b/__fixtures__/workspace-version-alias-dep/packages/pkg-d/package.json
deleted file mode 100644
index c4b60fc4d..000000000
--- a/__fixtures__/workspace-version-alias-dep/packages/pkg-d/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "pkg-d",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/yarn-workspace-base/package.json b/__fixtures__/yarn-workspace-base/package.json
deleted file mode 100644
index 1f6f2d7c7..000000000
--- a/__fixtures__/yarn-workspace-base/package.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "private": true,
-  "name": "yarn-workspace-base",
-  "description": "Base yarn workspace work",
-  "version": "1.0.0",
-  "workspaces": [
-    "packages/*"
-  ]
-}
diff --git a/__fixtures__/yarn-workspace-base/packages/pkg-a/package.json b/__fixtures__/yarn-workspace-base/packages/pkg-a/package.json
deleted file mode 100644
index 1f60db472..000000000
--- a/__fixtures__/yarn-workspace-base/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "yarn-workspace-base-pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "yarn-workspace-base-pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/yarn-workspace-base/packages/pkg-b/package.json b/__fixtures__/yarn-workspace-base/packages/pkg-b/package.json
deleted file mode 100644
index e88e32b57..000000000
--- a/__fixtures__/yarn-workspace-base/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "yarn-workspace-base-pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/yarn-workspace-mismatched-external/package.json b/__fixtures__/yarn-workspace-mismatched-external/package.json
deleted file mode 100644
index c7d908120..000000000
--- a/__fixtures__/yarn-workspace-mismatched-external/package.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "private": true,
-  "name": "yarn-workspace-base",
-  "description": "Base yarn workspace work",
-  "version": "1.0.0",
-  "workspaces": [
-    "packages/*"
-  ],
-  "dependencies": {
-    "get-workspaces": "^0.2.0"
-  }
-}
diff --git a/__fixtures__/yarn-workspace-mismatched-external/packages/pkg-a/package.json b/__fixtures__/yarn-workspace-mismatched-external/packages/pkg-a/package.json
deleted file mode 100644
index ff3708174..000000000
--- a/__fixtures__/yarn-workspace-mismatched-external/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "yarn-workspace-base-pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "get-workspaces": "^0.2.1"
-  }
-}
diff --git a/__fixtures__/yarn-workspace-mismatched-external/packages/pkg-b/package.json b/__fixtures__/yarn-workspace-mismatched-external/packages/pkg-b/package.json
deleted file mode 100644
index e88e32b57..000000000
--- a/__fixtures__/yarn-workspace-mismatched-external/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "yarn-workspace-base-pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/yarn-workspace-mismatched-internal/package.json b/__fixtures__/yarn-workspace-mismatched-internal/package.json
deleted file mode 100644
index 1f6f2d7c7..000000000
--- a/__fixtures__/yarn-workspace-mismatched-internal/package.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "private": true,
-  "name": "yarn-workspace-base",
-  "description": "Base yarn workspace work",
-  "version": "1.0.0",
-  "workspaces": [
-    "packages/*"
-  ]
-}
diff --git a/__fixtures__/yarn-workspace-mismatched-internal/packages/pkg-a/package.json b/__fixtures__/yarn-workspace-mismatched-internal/packages/pkg-a/package.json
deleted file mode 100644
index 422e5941e..000000000
--- a/__fixtures__/yarn-workspace-mismatched-internal/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "yarn-workspace-base-pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "yarn-workspace-base-pkg-b": "^0.1.0"
-  }
-}
diff --git a/__fixtures__/yarn-workspace-mismatched-internal/packages/pkg-b/package.json b/__fixtures__/yarn-workspace-mismatched-internal/packages/pkg-b/package.json
deleted file mode 100644
index e88e32b57..000000000
--- a/__fixtures__/yarn-workspace-mismatched-internal/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "yarn-workspace-base-pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/yarn-workspace-missing-external/package.json b/__fixtures__/yarn-workspace-missing-external/package.json
deleted file mode 100644
index a89dec011..000000000
--- a/__fixtures__/yarn-workspace-missing-external/package.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "private": true,
-  "name": "yarn-workspace-base",
-  "description": "Base yarn workspace work",
-  "version": "1.0.0",
-  "workspaces": [
-    "packages/*"
-  ],
-  "dependencies": {}
-}
diff --git a/__fixtures__/yarn-workspace-missing-external/packages/pkg-a/package.json b/__fixtures__/yarn-workspace-missing-external/packages/pkg-a/package.json
deleted file mode 100644
index ff3708174..000000000
--- a/__fixtures__/yarn-workspace-missing-external/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "yarn-workspace-base-pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "get-workspaces": "^0.2.1"
-  }
-}
diff --git a/__fixtures__/yarn-workspace-missing-external/packages/pkg-b/package.json b/__fixtures__/yarn-workspace-missing-external/packages/pkg-b/package.json
deleted file mode 100644
index e88e32b57..000000000
--- a/__fixtures__/yarn-workspace-missing-external/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "yarn-workspace-base-pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/yarn-workspace-packages/package.json b/__fixtures__/yarn-workspace-packages/package.json
deleted file mode 100644
index 37c577848..000000000
--- a/__fixtures__/yarn-workspace-packages/package.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "private": true,
-  "name": "yarn-workspace-package",
-  "description": "Yarn workspace using the nested package field",
-  "version": "1.0.0",
-  "workspaces": {
-    "packages": [
-      "packages/*"
-    ]
-  }
-}
diff --git a/__fixtures__/yarn-workspace-packages/packages/pkg-a/package.json b/__fixtures__/yarn-workspace-packages/packages/pkg-a/package.json
deleted file mode 100644
index 8ad8fd517..000000000
--- a/__fixtures__/yarn-workspace-packages/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "yarn-workspace-package-pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "yarn-workspace-package-pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/yarn-workspace-packages/packages/pkg-b/package.json b/__fixtures__/yarn-workspace-packages/packages/pkg-b/package.json
deleted file mode 100644
index bcdec0029..000000000
--- a/__fixtures__/yarn-workspace-packages/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "yarn-workspace-package-pkg-b",
-  "version": "1.0.0"
-}
diff --git a/__fixtures__/yarn-workspace-root-contains-dev-deps/package.json b/__fixtures__/yarn-workspace-root-contains-dev-deps/package.json
deleted file mode 100644
index 83991ba68..000000000
--- a/__fixtures__/yarn-workspace-root-contains-dev-deps/package.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  "private": true,
-  "name": "yarn-workspace-root-contains-dev-deps",
-  "description": "Base yarn workspace work",
-  "version": "1.0.0",
-  "workspaces": [
-    "packages/*"
-  ],
-  "dependencies": {
-    "react": "^16.8.6"
-  },
-  "devDependencies": {
-    "react-test-renderer": "^16.8.6"
-  }
-}
diff --git a/__fixtures__/yarn-workspace-root-contains-dev-deps/packages/pkg-a/package.json b/__fixtures__/yarn-workspace-root-contains-dev-deps/packages/pkg-a/package.json
deleted file mode 100644
index 1f60db472..000000000
--- a/__fixtures__/yarn-workspace-root-contains-dev-deps/packages/pkg-a/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "yarn-workspace-base-pkg-a",
-  "version": "1.0.0",
-  "dependencies": {
-    "yarn-workspace-base-pkg-b": "1.0.0"
-  }
-}
diff --git a/__fixtures__/yarn-workspace-root-contains-dev-deps/packages/pkg-b/package.json b/__fixtures__/yarn-workspace-root-contains-dev-deps/packages/pkg-b/package.json
deleted file mode 100644
index e88e32b57..000000000
--- a/__fixtures__/yarn-workspace-root-contains-dev-deps/packages/pkg-b/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "yarn-workspace-base-pkg-b",
-  "version": "1.0.0"
-}
diff --git a/package.json b/package.json
index bc0aa67ec..a16c21516 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,8 @@
     "url": "https://github.com/changesets/changesets.git"
   },
   "workspaces": [
-    "packages/*"
+    "packages/*",
+    "scripts/*"
   ],
   "author": "Changesets Contributors",
   "contributors": [
@@ -68,7 +69,8 @@
   },
   "preconstruct": {
     "packages": [
-      "packages/*"
+      "packages/*",
+      "scripts/*"
     ]
   },
   "prettier": {}
diff --git a/packages/apply-release-plan/package.json b/packages/apply-release-plan/package.json
index 90e398936..472f8c3c0 100644
--- a/packages/apply-release-plan/package.json
+++ b/packages/apply-release-plan/package.json
@@ -23,7 +23,6 @@
   },
   "devDependencies": {
     "@changesets/test-utils": "*",
-    "fixturez": "^1.1.0",
     "spawndamnit": "^2.0.0"
   }
 }
diff --git a/packages/apply-release-plan/src/index.test.ts b/packages/apply-release-plan/src/index.test.ts
index c73cc3f2d..2862514c8 100644
--- a/packages/apply-release-plan/src/index.test.ts
+++ b/packages/apply-release-plan/src/index.test.ts
@@ -1,4 +1,3 @@
-import fixtures from "fixturez";
 import {
   ReleasePlan,
   Config,
@@ -14,9 +13,11 @@ import { defaultConfig } from "@changesets/config";
 
 import applyReleasePlan from "./";
 import { getPackages } from "@manypkg/get-packages";
-import { temporarilySilenceLogs } from "@changesets/test-utils";
-
-const f = fixtures(__dirname);
+import {
+  temporarilySilenceLogs,
+  testdir,
+  Fixture,
+} from "@changesets/test-utils";
 
 class FakeReleasePlan {
   changesets: NewChangeset[];
@@ -75,7 +76,7 @@ class FakeReleasePlan {
 }
 
 async function testSetup(
-  fixtureName: string,
+  fixture: Fixture,
   releasePlan: ReleasePlan,
   config?: Config,
   snapshot?: string | undefined,
@@ -102,7 +103,8 @@ async function testSetup(
       },
     };
   }
-  let tempDir = await f.copy(fixtureName);
+  let tempDir = await testdir(fixture);
+
   if (setupFunc) {
     await setupFunc(tempDir);
   }
@@ -130,7 +132,15 @@ describe("apply release plan", () => {
       it("should not reformat a small array in a package.json", async () => {
         const releasePlan = new FakeReleasePlan();
         let { changedFiles } = await testSetup(
-          "small-array",
+          {
+            "package.json": `{
+  "name": "pkg-a",
+  "version": "1.0.0",
+  "files": [
+    "lib"
+  ]
+}`,
+          },
           releasePlan.getReleasePlan(),
           releasePlan.config
         );
@@ -145,13 +155,21 @@ describe("apply release plan", () => {
   "files": [
     "lib"
   ]
-}
-`);
+}`);
       });
       it("should not change tab indentation in a package.json", async () => {
         const releasePlan = new FakeReleasePlan();
         let { changedFiles } = await testSetup(
-          "tab-indent",
+          {
+            "package.json": JSON.stringify(
+              {
+                name: "pkg-a",
+                version: "1.0.0",
+              },
+              null,
+              "\t"
+            ),
+          },
           releasePlan.getReleasePlan(),
           releasePlan.config
         );
@@ -163,13 +181,17 @@ describe("apply release plan", () => {
         expect(pkgJSON).toStrictEqual(`{
 \t"name": "pkg-a",
 \t"version": "1.1.0"
-}
-`);
+}`);
       });
       it("should not add trailing newlines in a package.json if they don't exist", async () => {
         const releasePlan = new FakeReleasePlan();
         let { changedFiles } = await testSetup(
-          "no-trailing-newline",
+          {
+            "package.json": JSON.stringify({
+              name: "pkg-a",
+              version: "1.0.0",
+            }),
+          },
           releasePlan.getReleasePlan(),
           releasePlan.config
         );
@@ -183,12 +205,44 @@ describe("apply release plan", () => {
   "version": "1.1.0"
 }`);
       });
+      it("should not remove trailing newlines in a package.json if they exist", async () => {
+        const releasePlan = new FakeReleasePlan();
+        let { changedFiles } = await testSetup(
+          {
+            "package.json":
+              JSON.stringify({
+                name: "pkg-a",
+                version: "1.0.0",
+              }) + "\n",
+          },
+          releasePlan.getReleasePlan(),
+          releasePlan.config
+        );
+        let pkgPath = changedFiles.find((a) => a.endsWith(`package.json`));
+
+        if (!pkgPath) throw new Error(`could not find an updated package json`);
+        let pkgJSON = await fs.readFile(pkgPath, { encoding: "utf-8" });
+
+        expect(pkgJSON).toStrictEqual(`{
+  "name": "pkg-a",
+  "version": "1.1.0"
+}\n`);
+      });
     });
 
     it("should update a version for one package", async () => {
       const releasePlan = new FakeReleasePlan();
       let { changedFiles } = await testSetup(
-        "simple-project",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         releasePlan.config
       );
@@ -224,7 +278,23 @@ describe("apply release plan", () => {
         ]
       );
       let { changedFiles } = await testSetup(
-        "simple-star-dep",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "*",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         releasePlan.config
       );
@@ -263,7 +333,23 @@ describe("apply release plan", () => {
         ]
       );
       let { changedFiles } = await testSetup(
-        "simple-workspace-range-dep",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "workspace:1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         releasePlan.config
       );
@@ -326,7 +412,33 @@ describe("apply release plan", () => {
         ]
       );
       let { changedFiles } = await testSetup(
-        "workspace-version-alias-dep",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "workspace:*",
+              "pkg-c": "workspace:^",
+              "pkg-d": "workspace:~",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+          "packages/pkg-c/package.json": JSON.stringify({
+            name: "pkg-c",
+            version: "1.0.0",
+          }),
+          "packages/pkg-d/package.json": JSON.stringify({
+            name: "pkg-d",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         releasePlan.config
       );
@@ -380,7 +492,30 @@ describe("apply release plan", () => {
         }
       );
       let { changedFiles } = await testSetup(
-        "workspace-and-other-range-dep",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "workspace:1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+          "packages/pkg-c/package.json": JSON.stringify({
+            name: "pkg-c",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "1.0.0",
+            },
+          }),
+        },
         releasePlan.getReleasePlan(),
         releasePlan.config
       );
@@ -429,7 +564,23 @@ describe("apply release plan", () => {
       );
 
       let { changedFiles } = await testSetup(
-        "simple-project",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         releasePlan.config
       );
@@ -457,7 +608,23 @@ describe("apply release plan", () => {
     });
     it("should not update the version of the dependent package if the released dep is a dev dep", async () => {
       let { changedFiles } = await testSetup(
-        "simple-dev-dep",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            devDependencies: {
+              "pkg-b": "1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        },
         {
           changesets: [
             {
@@ -533,8 +700,16 @@ describe("apply release plan", () => {
       });
     });
     it("should skip dependencies that have the same name as the package", async () => {
-      let { changedFiles } = await testSetup(
-        "self-referenced",
+      let { tempDir } = await testSetup(
+        {
+          "package.json": JSON.stringify({
+            name: "self-referenced",
+            version: "1.0.0",
+            devDependencies: {
+              "self-referenced": "file:",
+            },
+          }),
+        },
         {
           changesets: [
             {
@@ -574,12 +749,8 @@ describe("apply release plan", () => {
           },
         }
       );
-      let pkgPath = changedFiles.find((a) =>
-        a.endsWith(`self-referenced${path.sep}package.json`)
-      );
 
-      if (!pkgPath) throw new Error(`could not find an updated package json`);
-      let pkgJSON = await fs.readJSON(pkgPath);
+      let pkgJSON = await fs.readJSON(path.join(tempDir, "package.json"));
 
       expect(pkgJSON).toMatchObject({
         name: "self-referenced",
@@ -591,7 +762,23 @@ describe("apply release plan", () => {
     });
     it("should not update dependent versions when a package has a changeset type of none", async () => {
       let { changedFiles } = await testSetup(
-        "simple-project-caret-dep",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "^1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        },
         {
           changesets: [
             {
@@ -632,7 +819,23 @@ describe("apply release plan", () => {
     });
     it("should not update workspace dependent versions when a package has a changeset type of none", async () => {
       let { changedFiles } = await testSetup(
-        "simple-workspace-range-dep",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "workspace:1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        },
         {
           changesets: [
             {
@@ -691,7 +894,23 @@ describe("apply release plan", () => {
         ]
       );
       let { changedFiles } = await testSetup(
-        "simple-project-caret-dep",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "^1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         releasePlan.config,
         "canary"
@@ -718,7 +937,26 @@ describe("apply release plan", () => {
         const updateInternalDependencies = "patch";
         it("should update min version ranges of patch bumped internal dependencies", async () => {
           let { changedFiles } = await testSetup(
-            "internal-dependencies",
+            {
+              "package.json": JSON.stringify({
+                private: true,
+                workspaces: ["packages/*"],
+              }),
+              "packages/pkg-a/package.json": JSON.stringify({
+                name: "pkg-a",
+                version: "1.0.3",
+                dependencies: {
+                  "pkg-b": "~1.2.0",
+                },
+              }),
+              "packages/pkg-b/package.json": JSON.stringify({
+                name: "pkg-b",
+                version: "1.2.0",
+                dependencies: {
+                  "pkg-a": "^1.0.3",
+                },
+              }),
+            },
             {
               changesets: [
                 {
@@ -792,14 +1030,40 @@ describe("apply release plan", () => {
             name: "pkg-b",
             version: "1.2.1",
             dependencies: {
-              "pkg-c": "2.0.0",
               "pkg-a": "^1.0.4",
             },
           });
         });
         it("should still update min version ranges of patch bumped internal dependencies that have left semver range", async () => {
           let { changedFiles } = await testSetup(
-            "internal-dependencies",
+            {
+              "package.json": JSON.stringify({
+                private: true,
+                workspaces: ["packages/*"],
+              }),
+              "packages/pkg-a/package.json": JSON.stringify({
+                name: "pkg-a",
+                version: "1.0.3",
+                dependencies: {
+                  "pkg-b": "~1.2.0",
+                },
+              }),
+              "packages/pkg-b/package.json": JSON.stringify({
+                name: "pkg-b",
+                version: "1.2.0",
+                dependencies: {
+                  "pkg-c": "2.0.0",
+                  "pkg-a": "^1.0.3",
+                },
+              }),
+              "packages/pkg-c/package.json": JSON.stringify({
+                name: "pkg-c",
+                version: "2.0.0",
+                dependencies: {
+                  "pkg-a": "^1.0.3",
+                },
+              }),
+            },
             {
               changesets: [
                 {
@@ -888,7 +1152,26 @@ describe("apply release plan", () => {
         });
         it("should update min version ranges of minor bumped internal dependencies", async () => {
           let { changedFiles } = await testSetup(
-            "internal-dependencies",
+            {
+              "package.json": JSON.stringify({
+                private: true,
+                workspaces: ["packages/*"],
+              }),
+              "packages/pkg-a/package.json": JSON.stringify({
+                name: "pkg-a",
+                version: "1.0.3",
+                dependencies: {
+                  "pkg-b": "~1.2.0",
+                },
+              }),
+              "packages/pkg-b/package.json": JSON.stringify({
+                name: "pkg-b",
+                version: "1.2.0",
+                dependencies: {
+                  "pkg-a": "^1.0.3",
+                },
+              }),
+            },
             {
               changesets: [
                 {
@@ -962,14 +1245,32 @@ describe("apply release plan", () => {
             name: "pkg-b",
             version: "1.2.1",
             dependencies: {
-              "pkg-c": "2.0.0",
               "pkg-a": "^1.1.0",
             },
           });
         });
         it("should update min version ranges of major bumped internal dependencies", async () => {
           let { changedFiles } = await testSetup(
-            "internal-dependencies",
+            {
+              "package.json": JSON.stringify({
+                private: true,
+                workspaces: ["packages/*"],
+              }),
+              "packages/pkg-a/package.json": JSON.stringify({
+                name: "pkg-a",
+                version: "1.0.3",
+                dependencies: {
+                  "pkg-b": "~1.2.0",
+                },
+              }),
+              "packages/pkg-b/package.json": JSON.stringify({
+                name: "pkg-b",
+                version: "1.2.0",
+                dependencies: {
+                  "pkg-a": "^1.0.3",
+                },
+              }),
+            },
             {
               changesets: [
                 {
@@ -1043,7 +1344,6 @@ describe("apply release plan", () => {
             name: "pkg-b",
             version: "1.2.1",
             dependencies: {
-              "pkg-c": "2.0.0",
               "pkg-a": "^2.0.0",
             },
           });
@@ -1053,7 +1353,26 @@ describe("apply release plan", () => {
         const updateInternalDependencies = "minor";
         it("should NOT update min version ranges of patch bumped internal dependencies", async () => {
           let { changedFiles } = await testSetup(
-            "internal-dependencies",
+            {
+              "package.json": JSON.stringify({
+                private: true,
+                workspaces: ["packages/*"],
+              }),
+              "packages/pkg-a/package.json": JSON.stringify({
+                name: "pkg-a",
+                version: "1.0.3",
+                dependencies: {
+                  "pkg-b": "~1.2.0",
+                },
+              }),
+              "packages/pkg-b/package.json": JSON.stringify({
+                name: "pkg-b",
+                version: "1.2.0",
+                dependencies: {
+                  "pkg-a": "^1.0.3",
+                },
+              }),
+            },
             {
               changesets: [
                 {
@@ -1127,14 +1446,40 @@ describe("apply release plan", () => {
             name: "pkg-b",
             version: "1.2.1",
             dependencies: {
-              "pkg-c": "2.0.0",
               "pkg-a": "^1.0.3",
             },
           });
         });
         it("should still update min version ranges of patch bumped internal dependencies that have left semver range", async () => {
           let { changedFiles } = await testSetup(
-            "internal-dependencies",
+            {
+              "package.json": JSON.stringify({
+                private: true,
+                workspaces: ["packages/*"],
+              }),
+              "packages/pkg-a/package.json": JSON.stringify({
+                name: "pkg-a",
+                version: "1.0.3",
+                dependencies: {
+                  "pkg-b": "~1.2.0",
+                },
+              }),
+              "packages/pkg-b/package.json": JSON.stringify({
+                name: "pkg-b",
+                version: "1.2.0",
+                dependencies: {
+                  "pkg-c": "2.0.0",
+                  "pkg-a": "^1.0.3",
+                },
+              }),
+              "packages/pkg-c/package.json": JSON.stringify({
+                name: "pkg-c",
+                version: "2.0.0",
+                dependencies: {
+                  "pkg-a": "^1.0.3",
+                },
+              }),
+            },
             {
               changesets: [
                 {
@@ -1223,7 +1568,34 @@ describe("apply release plan", () => {
         });
         it("should update min version ranges of minor bumped internal dependencies", async () => {
           let { changedFiles } = await testSetup(
-            "internal-dependencies",
+            {
+              "package.json": JSON.stringify({
+                private: true,
+                workspaces: ["packages/*"],
+              }),
+              "packages/pkg-a/package.json": JSON.stringify({
+                name: "pkg-a",
+                version: "1.0.3",
+                dependencies: {
+                  "pkg-b": "~1.2.0",
+                },
+              }),
+              "packages/pkg-b/package.json": JSON.stringify({
+                name: "pkg-b",
+                version: "1.2.0",
+                dependencies: {
+                  "pkg-c": "2.0.0",
+                  "pkg-a": "^1.0.3",
+                },
+              }),
+              "packages/pkg-c/package.json": JSON.stringify({
+                name: "pkg-c",
+                version: "2.0.0",
+                dependencies: {
+                  "pkg-a": "^1.0.3",
+                },
+              }),
+            },
             {
               changesets: [
                 {
@@ -1297,14 +1669,32 @@ describe("apply release plan", () => {
             name: "pkg-b",
             version: "1.2.1",
             dependencies: {
-              "pkg-c": "2.0.0",
               "pkg-a": "^1.1.0",
             },
           });
         });
         it("should update min version ranges of major bumped internal dependencies", async () => {
           let { changedFiles } = await testSetup(
-            "internal-dependencies",
+            {
+              "package.json": JSON.stringify({
+                private: true,
+                workspaces: ["packages/*"],
+              }),
+              "packages/pkg-a/package.json": JSON.stringify({
+                name: "pkg-a",
+                version: "1.0.3",
+                dependencies: {
+                  "pkg-b": "~1.2.0",
+                },
+              }),
+              "packages/pkg-b/package.json": JSON.stringify({
+                name: "pkg-b",
+                version: "1.2.0",
+                dependencies: {
+                  "pkg-a": "^1.0.3",
+                },
+              }),
+            },
             {
               changesets: [
                 {
@@ -1378,7 +1768,6 @@ describe("apply release plan", () => {
             name: "pkg-b",
             version: "1.2.1",
             dependencies: {
-              "pkg-c": "2.0.0",
               "pkg-a": "^2.0.0",
             },
           });
@@ -1389,15 +1778,31 @@ describe("apply release plan", () => {
     describe("onlyUpdatePeerDependentsWhenOutOfRange set to true", () => {
       it("should not bump peerDependencies if they are still in range", async () => {
         let { changedFiles } = await testSetup(
-          "simple-caret-peer-dep",
+          {
+            "package.json": JSON.stringify({
+              private: true,
+              workspaces: ["packages/*"],
+            }),
+            "packages/depended-upon/package.json": JSON.stringify({
+              name: "depended-upon",
+              version: "1.0.0",
+            }),
+            "packages/has-peer-dep/package.json": JSON.stringify({
+              name: "has-peer-dep",
+              version: "1.0.0",
+              peerDependencies: {
+                "depended-upon": "^1.0.0",
+              },
+            }),
+          },
           {
             changesets: [
               {
                 id: "quick-lions-devour",
                 summary: "Hey, let's have fun with testing!",
                 releases: [
-                  { name: "has-peer-dep", type: "patch" },
                   { name: "depended-upon", type: "patch" },
+                  { name: "has-peer-dep", type: "patch" },
                 ],
               },
             ],
@@ -1470,7 +1875,16 @@ describe("apply release plan", () => {
     it("should not generate any changelogs", async () => {
       const releasePlan = new FakeReleasePlan();
       let { changedFiles } = await testSetup(
-        "simple-project",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         {
           ...releasePlan.config,
@@ -1485,7 +1899,16 @@ describe("apply release plan", () => {
     it("should update a changelog for one package", async () => {
       const releasePlan = new FakeReleasePlan();
       let { changedFiles } = await testSetup(
-        "simple-project",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         {
           ...releasePlan.config,
@@ -1526,7 +1949,23 @@ describe("apply release plan", () => {
       );
 
       let { changedFiles } = await testSetup(
-        "simple-project",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         {
           ...releasePlan.config,
@@ -1567,7 +2006,23 @@ describe("apply release plan", () => {
     });
     it("should not update the changelog if only devDeps changed", async () => {
       let { changedFiles } = await testSetup(
-        "simple-dev-dep",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            devDependencies: {
+              "pkg-b": "1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        },
         {
           changesets: [
             {
@@ -1643,7 +2098,16 @@ describe("apply release plan", () => {
       releasePlan.releases[0].changesets.push("some-id-1", "some-id-2");
 
       let { changedFiles } = await testSetup(
-        "simple-project",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         {
           ...releasePlan.config,
@@ -1676,7 +2140,26 @@ describe("apply release plan", () => {
 
     it("should add an updated dependencies line when dependencies have been updated", async () => {
       let { changedFiles } = await testSetup(
-        "internal-dependencies",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.3",
+            dependencies: {
+              "pkg-b": "~1.2.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.2.0",
+            dependencies: {
+              "pkg-a": "^1.0.3",
+            },
+          }),
+        },
         {
           changesets: [
             {
@@ -1765,7 +2248,26 @@ describe("apply release plan", () => {
 
     it("should NOT add updated dependencies line if dependencies have NOT been updated", async () => {
       let { changedFiles } = await testSetup(
-        "internal-dependencies",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.3",
+            dependencies: {
+              "pkg-b": "~1.2.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.2.0",
+            dependencies: {
+              "pkg-a": "^1.0.3",
+            },
+          }),
+        },
         {
           changesets: [
             {
@@ -1850,7 +2352,34 @@ describe("apply release plan", () => {
 
     it("should only add updated dependencies line for dependencies that have been updated", async () => {
       let { changedFiles } = await testSetup(
-        "internal-dependencies",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.3",
+            dependencies: {
+              "pkg-b": "~1.2.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.2.0",
+            dependencies: {
+              "pkg-c": "2.0.0",
+              "pkg-a": "^1.0.3",
+            },
+          }),
+          "packages/pkg-c/package.json": JSON.stringify({
+            name: "pkg-c",
+            version: "2.0.0",
+            dependencies: {
+              "pkg-a": "^1.0.3",
+            },
+          }),
+        },
         {
           changesets: [
             {
@@ -1957,7 +2486,34 @@ describe("apply release plan", () => {
 
     it("should still add updated dependencies line for dependencies that have a bump type less than the minimum internal bump range but leave semver range", async () => {
       let { changedFiles } = await testSetup(
-        "internal-dependencies",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.3",
+            dependencies: {
+              "pkg-b": "~1.2.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.2.0",
+            dependencies: {
+              "pkg-c": "2.0.0",
+              "pkg-a": "^1.0.3",
+            },
+          }),
+          "packages/pkg-c/package.json": JSON.stringify({
+            name: "pkg-c",
+            version: "2.0.0",
+            dependencies: {
+              "pkg-a": "^1.0.3",
+            },
+          }),
+        },
         {
           changesets: [
             {
@@ -2068,32 +2624,44 @@ describe("apply release plan", () => {
     it.skip("a package appears twice", async () => {
       let changedFiles;
       try {
-        let testResults = await testSetup("simple-project", {
-          changesets: [
-            {
-              id: "quick-lions-devour",
-              summary: "Hey, let's have fun with testing!",
-              releases: [{ name: "pkg-a", type: "minor" }],
-            },
-          ],
-          releases: [
-            {
-              name: "pkg-a",
-              type: "minor",
-              oldVersion: "1.0.0",
-              newVersion: "1.1.0",
-              changesets: ["quick-lions-devour"],
-            },
-            {
+        let testResults = await testSetup(
+          {
+            "package.json": JSON.stringify({
+              private: true,
+              workspaces: ["packages/*"],
+            }),
+            "packages/pkg-a/package.json": JSON.stringify({
               name: "pkg-a",
-              type: "minor",
-              oldVersion: "1.0.0",
-              newVersion: "1.1.0",
-              changesets: ["quick-lions-devour"],
-            },
-          ],
-          preState: undefined,
-        });
+              version: "1.0.0",
+            }),
+          },
+          {
+            changesets: [
+              {
+                id: "quick-lions-devour",
+                summary: "Hey, let's have fun with testing!",
+                releases: [{ name: "pkg-a", type: "minor" }],
+              },
+            ],
+            releases: [
+              {
+                name: "pkg-a",
+                type: "minor",
+                oldVersion: "1.0.0",
+                newVersion: "1.1.0",
+                changesets: ["quick-lions-devour"],
+              },
+              {
+                name: "pkg-a",
+                type: "minor",
+                oldVersion: "1.0.0",
+                newVersion: "1.1.0",
+                changesets: ["quick-lions-devour"],
+              },
+            ],
+            preState: undefined,
+          }
+        );
         changedFiles = testResults.changedFiles;
       } catch (e) {
         expect((e as Error).message).toEqual("some string probably");
@@ -2121,7 +2689,23 @@ describe("apply release plan", () => {
         ]
       );
 
-      let tempDir = await f.copy("with-git");
+      let tempDir = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
 
       await spawn("git", ["init"], { cwd: tempDir });
 
@@ -2154,7 +2738,23 @@ describe("apply release plan", () => {
       temporarilySilenceLogs(async () => {
         let releasePlan = new FakeReleasePlan();
 
-        let tempDir = await f.copy("with-git");
+        let tempDir = await testdir({
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        });
 
         await spawn("git", ["init"], { cwd: tempDir });
 
@@ -2210,12 +2810,21 @@ describe("apply release plan", () => {
             const thisPath = path.resolve(tempDir, ".changeset", `${id}.md`);
             changesetPath = thisPath;
             const content = `---\n---\n${summary}`;
-            fs.writeFile(thisPath, content);
+            return fs.outputFile(thisPath, content);
           })
         );
 
       await testSetup(
-        "simple-project",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         releasePlan.config,
         undefined,
@@ -2237,12 +2846,21 @@ describe("apply release plan", () => {
             const thisPath = path.resolve(tempDir, ".changeset", `${id}.md`);
             changesetPath = thisPath;
             const content = `---\n---\n${summary}`;
-            fs.writeFile(thisPath, content);
+            return fs.outputFile(thisPath, content);
           })
         );
 
       await testSetup(
-        "simple-project",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         { ...releasePlan.config, ignore: ["pkg-a"] },
         undefined,
@@ -2285,7 +2903,16 @@ describe("apply release plan", () => {
         );
 
       await testSetup(
-        "simple-project",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         releasePlan.config,
         undefined,
@@ -2332,7 +2959,16 @@ describe("apply release plan", () => {
       );
 
     let { tempDir } = await testSetup(
-      "simple-project",
+      {
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+        }),
+      },
       releasePlan.getReleasePlan(),
       {
         ...releasePlan.config,
@@ -2377,7 +3013,23 @@ describe("apply release plan", () => {
       const releasePlan = new FakeReleasePlan();
 
       let { tempDir } = await testSetup(
-        "with-git",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         {
           ...releasePlan.config,
@@ -2414,12 +3066,28 @@ describe("apply release plan", () => {
             const thisPath = path.resolve(tempDir, ".changeset", `${id}.md`);
             changesetPath = thisPath;
             const content = `---\n---\n${summary}`;
-            fs.writeFile(thisPath, content);
+            return fs.outputFile(thisPath, content);
           })
         );
 
       let { tempDir } = await testSetup(
-        "with-git",
+        {
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        },
         releasePlan.getReleasePlan(),
         {
           ...releasePlan.config,
diff --git a/packages/cli/package.json b/packages/cli/package.json
index cf49f4300..fa3b89161 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -67,7 +67,6 @@
   "devDependencies": {
     "@changesets/parse": "*",
     "@changesets/test-utils": "*",
-    "fixturez": "^1.1.0",
     "strip-ansi": "^5.2.0"
   }
 }
diff --git a/packages/cli/src/commands/add/__tests__/add.ts b/packages/cli/src/commands/add/__tests__/add.ts
index 5e62b4506..25a87422d 100644
--- a/packages/cli/src/commands/add/__tests__/add.ts
+++ b/packages/cli/src/commands/add/__tests__/add.ts
@@ -1,9 +1,8 @@
 import path from "path";
-import fixtures from "fixturez";
 import stripAnsi from "strip-ansi";
 import * as git from "@changesets/git";
 import { defaultConfig } from "@changesets/config";
-import { silenceLogsInBlock } from "@changesets/test-utils";
+import { silenceLogsInBlock, testdir } from "@changesets/test-utils";
 import writeChangeset from "@changesets/write";
 
 import {
@@ -15,8 +14,6 @@ import {
 } from "../../../utils/cli-utilities";
 import addChangeset from "..";
 
-const f = fixtures(__dirname);
-
 jest.mock("../../../utils/cli-utilities");
 jest.mock("@changesets/git");
 jest.mock("@changesets/write");
@@ -91,7 +88,20 @@ describe("Changesets", () => {
   silenceLogsInBlock();
 
   it("should generate changeset to patch a single package", async () => {
-    const cwd = await f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
 
     mockUserResponses({ releases: { "pkg-a": "patch" } });
     await addChangeset(cwd, { empty: false }, defaultConfig);
@@ -116,7 +126,20 @@ describe("Changesets", () => {
     "should read summary",
     // @ts-ignore
     async ({ consoleSummaries, editorSummaries, expectedSummary }) => {
-      const cwd = f.copy("simple-project");
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
 
       mockUserResponses({
         releases: { "pkg-a": "patch" },
@@ -137,7 +160,13 @@ describe("Changesets", () => {
   );
 
   it("should generate a changeset in a single package repo", async () => {
-    const cwd = f.copy("single-package");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        name: "single-package",
+        version: "1.0.0",
+      }),
+    });
 
     const summary = "summary message mock";
 
@@ -175,7 +204,23 @@ describe("Changesets", () => {
   });
 
   it("should commit when the commit flag is passed in", async () => {
-    const cwd = f.copy("simple-project-custom-config");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
 
     mockUserResponses({ releases: { "pkg-a": "patch" } });
     await addChangeset(
@@ -191,7 +236,16 @@ describe("Changesets", () => {
   });
 
   it("should create empty changeset when empty flag is passed in", async () => {
-    const cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+    });
 
     await addChangeset(cwd, { empty: true }, defaultConfig);
 
@@ -206,7 +260,34 @@ describe("Changesets", () => {
   });
 
   it("should not include ignored packages in the prompt", async () => {
-    const cwd = f.copy("internal-dependencies");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.3",
+        dependencies: {
+          "pkg-b": "~1.2.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.2.0",
+        dependencies: {
+          "pkg-c": "2.0.0",
+          "pkg-a": "^1.0.3",
+        },
+      }),
+      "packages/pkg-c/package.json": JSON.stringify({
+        name: "pkg-c",
+        version: "2.0.0",
+        dependencies: {
+          "pkg-a": "^1.0.3",
+        },
+      }),
+    });
 
     mockUserResponses({ releases: { "pkg-a": "patch" } });
     await addChangeset(
@@ -221,7 +302,24 @@ describe("Changesets", () => {
   });
 
   it("should not include private packages without a version in the prompt", async () => {
-    const cwd = f.copy("private-package-without-version-field");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        private: true,
+      }),
+      "packages/pkg-c/package.json": JSON.stringify({
+        name: "pkg-c",
+        version: "1.0.0",
+      }),
+    });
 
     mockUserResponses({ releases: { "pkg-a": "patch" } });
     await addChangeset(cwd, { empty: false }, defaultConfig);
@@ -232,7 +330,25 @@ describe("Changesets", () => {
   });
 
   it("should not include private packages with a version in the prompt if private packages are configured to be not versionable", async () => {
-    const cwd = f.copy("private-package-with-version-field");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+        private: true,
+      }),
+      "packages/pkg-c/package.json": JSON.stringify({
+        name: "pkg-c",
+        version: "1.0.0",
+      }),
+    });
 
     mockUserResponses({ releases: { "pkg-a": "patch" } });
     await addChangeset(
diff --git a/packages/cli/src/commands/init/__tests__/command.ts b/packages/cli/src/commands/init/__tests__/command.ts
index 57dca15e5..277c09cbb 100644
--- a/packages/cli/src/commands/init/__tests__/command.ts
+++ b/packages/cli/src/commands/init/__tests__/command.ts
@@ -1,13 +1,10 @@
-import fixtures from "fixturez";
 import fs from "fs-extra";
 import path from "path";
 import { defaultWrittenConfig } from "@changesets/config";
-import { silenceLogsInBlock } from "@changesets/test-utils";
+import { silenceLogsInBlock, testdir } from "@changesets/test-utils";
 
 import initializeCommand from "..";
 
-const f = fixtures(__dirname);
-
 const getPaths = (cwd: string) => ({
   readmePath: path.join(cwd, ".changeset/README.md"),
   configPath: path.join(cwd, ".changeset/config.json"),
@@ -16,7 +13,7 @@ const getPaths = (cwd: string) => ({
 describe("init", () => {
   silenceLogsInBlock();
   it("should initialize in a project without a .changeset folder", async () => {
-    const cwd = await f.copy("without-existing-changeset");
+    const cwd = await testdir({});
     const { readmePath, configPath } = getPaths(cwd);
 
     expect(fs.pathExistsSync(readmePath)).toBe(false);
@@ -26,20 +23,25 @@ describe("init", () => {
     expect(fs.pathExistsSync(configPath)).toBe(true);
   });
   it("should write the default config if it doesn't exist", async () => {
-    const cwd = await f.copy("simple-project");
-    await fs.remove(path.join(cwd, ".changeset/config.json"));
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+    });
 
-    expect(fs.pathExistsSync(path.join(cwd, ".changeset/README.md"))).toBe(
-      true
-    );
     await initializeCommand(cwd);
     expect(await fs.readJson(path.join(cwd, ".changeset/config.json"))).toEqual(
       { ...defaultWrittenConfig, baseBranch: "main" }
     );
   });
   it("should add newline at the end of config", async () => {
-    const cwd = await f.copy("simple-project");
-    await fs.remove(path.join(cwd, ".changeset/config.json"));
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+    });
 
     await initializeCommand(cwd);
 
@@ -50,14 +52,16 @@ describe("init", () => {
     expect(lastCharacter).toBe("\n");
   });
   it("shouldn't overwrite a config if it does exist", async () => {
-    const cwd = await f.copy("simple-project");
-    await fs.writeJson(path.join(cwd, ".changeset/config.json"), {
-      changelog: false,
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      ".changeset/config.json": JSON.stringify({
+        changelog: false,
+      }),
     });
 
-    expect(fs.pathExistsSync(path.join(cwd, ".changeset/README.md"))).toBe(
-      true
-    );
     await initializeCommand(cwd);
     expect(await fs.readJson(path.join(cwd, ".changeset/config.json"))).toEqual(
       {
diff --git a/packages/cli/src/commands/pre/index.test.ts b/packages/cli/src/commands/pre/index.test.ts
index fb476cf0d..1a435adf3 100644
--- a/packages/cli/src/commands/pre/index.test.ts
+++ b/packages/cli/src/commands/pre/index.test.ts
@@ -1,57 +1,52 @@
-import fixturez from "fixturez";
 import path from "path";
 import chalk from "chalk";
 import * as fs from "fs-extra";
-import { PreState } from "@changesets/types";
 import * as logger from "@changesets/logger";
 import { ExitError } from "@changesets/errors";
+import { testdir } from "@changesets/test-utils";
 
 import pre from "./index";
 
-let f = fixturez(__dirname);
-
-let preStateForSimpleProject: PreState = {
-  changesets: [],
-  initialVersions: {
-    "pkg-a": "1.0.0",
-    "pkg-b": "1.0.0",
-  },
-  mode: "pre",
-  tag: "next",
-};
-
-let preStateForExited: PreState = {
-  changesets: ["slimy-dingos-whisper"],
-  initialVersions: {
-    "pkg-a": "1.0.0",
-    "pkg-b": "1.0.0",
-  },
-  mode: "exit",
-  tag: "beta",
-};
-
 jest.mock("@changesets/logger");
 
 let mockedLogger = logger as jest.Mocked<typeof logger>;
 
 describe("enterPre", () => {
   it("should enter", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+    });
     await pre(cwd, { command: "enter", tag: "next" });
 
-    expect(await fs.readJson(path.join(cwd, ".changeset", "pre.json"))).toEqual(
-      preStateForSimpleProject
-    );
+    expect(
+      await fs.readJson(path.join(cwd, ".changeset", "pre.json"))
+    ).toMatchObject({
+      changesets: [],
+      initialVersions: {},
+      mode: "pre",
+      tag: "next",
+    });
     expect(mockedLogger.success).toBeCalledWith(
       `Entered pre mode with tag ${chalk.cyan("next")}`
     );
   });
   it("should throw if already in pre", async () => {
-    let cwd = f.copy("simple-project");
-    await fs.writeJSON(
-      path.join(cwd, ".changeset", "pre.json"),
-      preStateForSimpleProject
-    );
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      ".changeset/pre.json": JSON.stringify({
+        changesets: [],
+        initialVersions: {},
+        mode: "pre",
+        tag: "next",
+      }),
+    });
+
     await expect(
       pre(cwd, { command: "enter", tag: "next" })
     ).rejects.toBeInstanceOf(ExitError);
@@ -63,15 +58,24 @@ describe("enterPre", () => {
     );
   });
   it("should enter if already exited pre mode", async () => {
-    let cwd = f.copy("simple-project");
-    await fs.writeJSON(
-      path.join(cwd, ".changeset", "pre.json"),
-      preStateForExited
-    );
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      ".changeset/pre.json": JSON.stringify({
+        changesets: [],
+        initialVersions: {},
+        mode: "exit",
+        tag: "beta",
+      }),
+    });
+
     await pre(cwd, { command: "enter", tag: "next" });
     expect(await fs.readJson(path.join(cwd, ".changeset", "pre.json"))).toEqual(
       {
-        ...preStateForExited,
+        changesets: [],
+        initialVersions: {},
         mode: "pre",
         tag: "next",
       }
@@ -84,19 +88,36 @@ describe("enterPre", () => {
 
 describe("exitPre", () => {
   it("should exit", async () => {
-    let cwd = f.copy("simple-project");
-    await fs.writeJSON(
-      path.join(cwd, ".changeset", "pre.json"),
-      preStateForSimpleProject
-    );
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      ".changeset/pre.json": JSON.stringify({
+        changesets: [],
+        initialVersions: {},
+        mode: "pre",
+        tag: "next",
+      }),
+    });
     await pre(cwd, { command: "exit" });
 
     expect(await fs.readJson(path.join(cwd, ".changeset", "pre.json"))).toEqual(
-      { ...preStateForSimpleProject, mode: "exit" }
+      {
+        changesets: [],
+        initialVersions: {},
+        mode: "exit",
+        tag: "next",
+      }
     );
   });
   it("should throw if not in pre", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+    });
     await expect(pre(cwd, { command: "exit" })).rejects.toBeInstanceOf(
       ExitError
     );
diff --git a/packages/cli/src/commands/publish/__tests__/index.test.ts b/packages/cli/src/commands/publish/__tests__/index.test.ts
index f12c2d627..0e32f9a01 100644
--- a/packages/cli/src/commands/publish/__tests__/index.test.ts
+++ b/packages/cli/src/commands/publish/__tests__/index.test.ts
@@ -1,10 +1,8 @@
-import fixtures from "fixturez";
 import publishCommand from "../index";
 import { defaultConfig } from "@changesets/config";
 import * as path from "path";
-import * as pre from "@changesets/pre";
 import { Config } from "@changesets/types";
-import { silenceLogsInBlock } from "@changesets/test-utils";
+import { silenceLogsInBlock, testdir } from "@changesets/test-utils";
 
 let changelogPath = path.resolve(__dirname, "../../changelog");
 let modifiedDefaultConfig: Config = {
@@ -12,25 +10,24 @@ let modifiedDefaultConfig: Config = {
   changelog: [changelogPath, null],
 };
 
-const f = fixtures(__dirname);
-
-jest.mock("../npm-utils.ts");
-jest.mock("../publishPackages.ts");
-jest.mock("@changesets/pre");
-
 describe("Publish command", () => {
   silenceLogsInBlock();
-  let cwd: string;
 
-  beforeEach(async () => {
-    cwd = await f.copy("simple-project");
-  });
   describe("in pre state", () => {
-    beforeEach(() => {
-      // @ts-ignore
-      pre.readPreState.mockImplementation(() => ({ mode: "pre" }));
-    });
     it("should report error if the tag option is used in pre release", async () => {
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+        }),
+        ".changeset/pre.json": JSON.stringify({
+          mode: "pre",
+        }),
+      });
       await expect(
         publishCommand(cwd, { tag: "experimental" }, modifiedDefaultConfig)
       ).rejects.toThrowError();
diff --git a/packages/cli/src/commands/publish/__tests__/publishPackages.test.ts b/packages/cli/src/commands/publish/__tests__/publishPackages.test.ts
index 29ca9eb41..58a327b9b 100644
--- a/packages/cli/src/commands/publish/__tests__/publishPackages.test.ts
+++ b/packages/cli/src/commands/publish/__tests__/publishPackages.test.ts
@@ -1,35 +1,13 @@
-import fixtures from "fixturez";
-
 import publishPackages from "../publishPackages";
 import * as npmUtils from "../npm-utils";
 import { getPackages } from "@manypkg/get-packages";
-import { silenceLogsInBlock } from "@changesets/test-utils";
+import { silenceLogsInBlock, testdir } from "@changesets/test-utils";
 
 jest.mock("../npm-utils");
 jest.mock("is-ci", () => true);
 
-const f = fixtures(__dirname);
-
 describe("publishPackages", () => {
   silenceLogsInBlock();
-  let cwd: string;
-
-  beforeEach(async () => {
-    cwd = await f.copy("simple-project");
-
-    // @ts-ignore
-    npmUtils.infoAllow404.mockImplementation(() => ({
-      published: false,
-      pkgInfo: {
-        version: "1.0.0",
-      },
-    }));
-
-    // @ts-ignore
-    npmUtils.publish.mockImplementation(() => ({
-      published: true,
-    }));
-  });
 
   afterEach(() => {
     jest.clearAllMocks();
@@ -37,6 +15,30 @@ describe("publishPackages", () => {
 
   describe("when isCI", () => {
     it("does not call out to npm to see if otp is required", async () => {
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+        }),
+      });
+
+      // @ts-ignore
+      npmUtils.infoAllow404.mockImplementation(() => ({
+        published: false,
+        pkgInfo: {
+          version: "1.0.0",
+        },
+      }));
+
+      // @ts-ignore
+      npmUtils.publish.mockImplementation(() => ({
+        published: true,
+      }));
+
       await publishPackages({
         packages: (await getPackages(cwd)).packages,
         access: "public",
diff --git a/packages/cli/src/commands/publish/__tests__/releaseCommand.test.ts b/packages/cli/src/commands/publish/__tests__/releaseCommand.test.ts
index 5c5427046..24f57b768 100644
--- a/packages/cli/src/commands/publish/__tests__/releaseCommand.test.ts
+++ b/packages/cli/src/commands/publish/__tests__/releaseCommand.test.ts
@@ -1,39 +1,21 @@
-import fixtures from "fixturez";
-
 import publishPackages from "../publishPackages";
 import * as git from "@changesets/git";
 import { defaultConfig } from "@changesets/config";
-import { silenceLogsInBlock } from "@changesets/test-utils";
+import { silenceLogsInBlock, testdir } from "@changesets/test-utils";
 import runRelease from "..";
 
 jest.mock("../../../utils/cli-utilities");
 jest.mock("@changesets/git");
 jest.mock("../publishPackages");
 
-const f = fixtures(__dirname);
-
 // @ts-ignore
 git.tag.mockImplementation(() => Promise.resolve(true));
-// we want to keep other bolt commands still running so our tests are more e2e
-// NOTE: This is pretty terrible. Quite obviously bolt is not going to return these results
-// each time, but there is only one test that uses the output of this function ('should add git tags')
-// and we know this will be heavily refactored once its moved into the bolt org anyway. So we are happy
-// to keep this debt in for now. LB takes full responsibility for this if it becomes flakey.
-
-// @ts-ignore
-publishPackages.mockImplementation(() =>
-  Promise.resolve([
-    { name: "pkg-a", newVersion: "1.1.0", published: true },
-    { name: "pkg-b", newVersion: "1.0.1", published: true },
-  ])
-);
 
 describe("running release", () => {
   silenceLogsInBlock();
-  let cwd: string;
 
-  beforeEach(async () => {
-    cwd = f.copy("simple-project");
+  afterEach(() => {
+    jest.clearAllMocks();
   });
 
   describe("When there is no changeset commits", () => {
@@ -41,6 +23,32 @@ describe("running release", () => {
     // failed one (where the change was pushed back but not released and the next build has no
     // changeset commits)
     it("should still run publishPackages", async () => {
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
+
+      // @ts-ignore
+      publishPackages.mockImplementation(() =>
+        Promise.resolve([
+          { name: "pkg-a", newVersion: "1.1.0", published: true },
+          { name: "pkg-b", newVersion: "1.0.1", published: true },
+        ])
+      );
+
       await runRelease(cwd, {}, defaultConfig);
 
       expect(publishPackages).toHaveBeenCalled();
diff --git a/packages/cli/src/commands/status/__tests__/status.ts b/packages/cli/src/commands/status/__tests__/status.ts
index f8b2bfb5d..ac51e482f 100644
--- a/packages/cli/src/commands/status/__tests__/status.ts
+++ b/packages/cli/src/commands/status/__tests__/status.ts
@@ -1,105 +1,108 @@
-import fixtures from "fixturez";
 import fs from "fs-extra";
 import path from "path";
 import * as git from "@changesets/git";
 import { defaultConfig } from "@changesets/config";
-import { silenceLogsInBlock } from "@changesets/test-utils";
+import { silenceLogsInBlock, testdir } from "@changesets/test-utils";
 import writeChangeset from "@changesets/write";
 
 import status from "..";
 
 import humanId from "human-id";
-import { NewChangeset, ReleasePlan } from "@changesets/types";
-import { Package } from "@manypkg/get-packages";
 
 jest.mock("human-id");
 jest.mock("@changesets/git");
 
-const f = fixtures(__dirname);
-
-const simpleChangeset: NewChangeset = {
-  id: "fake-ids-abound",
-  summary: "This is a summary",
-  releases: [
-    { name: "pkg-a", type: "minor" },
-    { name: "pkg-b", type: "patch" },
-  ],
-};
-
-const simpleReleasePlan: ReleasePlan = {
-  releases: [
-    {
-      name: "pkg-a",
-      type: "minor",
-      changesets: ["ascii"],
-      oldVersion: "1.0.0",
-      newVersion: "1.1.0",
-    },
-    {
-      name: "pkg-b",
-      type: "patch",
-      changesets: ["ascii"],
-      oldVersion: "1.0.0",
-      newVersion: "1.0.1",
-    },
-  ],
-  changesets: [
-    {
-      summary: "This is a summary",
-      releases: [
-        { name: "pkg-a", type: "minor" },
-        { name: "pkg-b", type: "patch" },
-      ],
-      id: "ascii",
-    },
-  ],
-  preState: undefined,
-};
-
-const simpleChangedPackagesList: Package[] = [
-  {
-    packageJson: { name: "pkg-a", version: "1.0.0", dependencies: {} },
-    dir: "/fake/folder/doesnt/matter",
-  },
-  {
-    packageJson: { name: "pkg-b", version: "1.0.0" },
-    dir: "/fake/folder/doesnt/matter",
-  },
-];
-
-const writeChangesets = (changesets: NewChangeset[], cwd: string) => {
-  return Promise.all(changesets.map((commit) => writeChangeset(commit, cwd)));
-};
-
 describe("status", () => {
   silenceLogsInBlock();
-  let cwd: string;
 
-  beforeEach(async () => {
-    cwd = await f.copy("simple-project");
+  afterEach(() => {
+    jest.clearAllMocks();
   });
 
   it("should get the status for a simple changeset and return the release object", async () => {
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+      ".changeset/config.json": JSON.stringify({}),
+    });
+
     const changesetID = "ascii";
     // @ts-ignore
     humanId.mockReturnValueOnce(changesetID);
     // @ts-ignore
-    git.getChangedPackagesSinceRef.mockImplementation(
-      () => simpleChangedPackagesList
+    git.getChangedPackagesSinceRef.mockImplementation(() => [
+      {
+        packageJson: { name: "pkg-a", version: "1.0.0" },
+        dir: "/fake/folder/doesnt/matter",
+      },
+    ]);
+
+    await writeChangeset(
+      {
+        summary: "This is a summary",
+        releases: [{ name: "pkg-a", type: "minor" }],
+      },
+      cwd
     );
-
-    await writeChangesets([simpleChangeset], cwd);
     const releaseObj = await status(cwd, {}, defaultConfig);
-    expect(releaseObj).toEqual(simpleReleasePlan);
+    expect(releaseObj).toMatchInlineSnapshot(`
+      Object {
+        "changesets": Array [
+          Object {
+            "id": "ascii",
+            "releases": Array [
+              Object {
+                "name": "pkg-a",
+                "type": "minor",
+              },
+            ],
+            "summary": "This is a summary",
+          },
+        ],
+        "preState": undefined,
+        "releases": Array [
+          Object {
+            "changesets": Array [
+              "ascii",
+            ],
+            "name": "pkg-a",
+            "newVersion": "1.1.0",
+            "oldVersion": "1.0.0",
+            "type": "minor",
+          },
+        ],
+      }
+    `);
   });
 
   it("should exit early with a non-zero error code when there are changed packages but no changesets", async () => {
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+      ".changeset/config.json": JSON.stringify({}),
+    });
+
     // @ts-ignore
     jest.spyOn(process, "exit").mockImplementation(() => {});
     // @ts-ignore
-    git.getChangedPackagesSinceRef.mockImplementation(
-      () => simpleChangedPackagesList
-    );
+    git.getChangedPackagesSinceRef.mockImplementation(() => [
+      {
+        packageJson: { name: "pkg-a", version: "1.0.0" },
+        dir: "/fake/folder/doesnt/matter",
+      },
+    ]);
 
     await status(cwd, {}, defaultConfig);
 
@@ -107,6 +110,18 @@ describe("status", () => {
   });
 
   it("should not exit early with a non-zero error code when there are no changed packages", async () => {
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+      ".changeset/config.json": JSON.stringify({}),
+    });
+
     // @ts-ignore
     jest.spyOn(process, "exit").mockImplementation(() => {});
     // @ts-ignore
@@ -123,41 +138,108 @@ describe("status", () => {
   });
 
   it("should not exit early with a non-zero code when there are changed packages and also a changeset", async () => {
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+      ".changeset/config.json": JSON.stringify({}),
+    });
+
     // @ts-ignore
     jest.spyOn(process, "exit").mockImplementation(() => {});
     // @ts-ignore
-    git.getChangedPackagesSinceRef.mockImplementation(
-      () => simpleChangedPackagesList
-    );
+    git.getChangedPackagesSinceRef.mockImplementation(() => [
+      {
+        packageJson: { name: "pkg-a", version: "1.0.0" },
+        dir: "/fake/folder/doesnt/matter",
+      },
+    ]);
     const changesetID = "ascii";
     // @ts-ignore
     humanId.mockReturnValueOnce(changesetID);
 
-    await writeChangesets([simpleChangeset], cwd);
-    const releaseObj = await status(cwd, {}, defaultConfig);
+    await writeChangeset(
+      {
+        summary: "This is a summary",
+        releases: [{ name: "pkg-a", type: "minor" }],
+      },
+      cwd
+    );
+    await status(cwd, {}, defaultConfig);
 
-    expect(releaseObj).toEqual(simpleReleasePlan);
     expect(process.exit).not.toHaveBeenCalled();
   });
 
   it.skip("should respect the verbose flag", () => false);
   it("should respect the output flag", async () => {
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+      ".changeset/config.json": JSON.stringify({}),
+    });
+
     const output = "nonsense.json";
 
     // @ts-ignore
-    git.getChangedPackagesSinceRef.mockImplementation(
-      () => simpleChangedPackagesList
-    );
+    git.getChangedPackagesSinceRef.mockImplementation(() => [
+      {
+        packageJson: { name: "pkg-a", version: "1.0.0" },
+        dir: "/fake/folder/doesnt/matter",
+      },
+    ]);
     const changesetID = "ascii";
     // @ts-ignore
     humanId.mockReturnValueOnce(changesetID);
 
-    await writeChangesets([simpleChangeset], cwd);
+    await writeChangeset(
+      {
+        summary: "This is a summary",
+        releases: [{ name: "pkg-a", type: "minor" }],
+      },
+      cwd
+    );
     const probsUndefined = await status(cwd, { output }, defaultConfig);
 
     const releaseObj = await fs.readFile(path.join(cwd, output), "utf-8");
 
     expect(probsUndefined).toEqual(undefined);
-    expect(JSON.parse(releaseObj)).toEqual(simpleReleasePlan);
+    expect(JSON.parse(releaseObj)).toMatchInlineSnapshot(`
+      Object {
+        "changesets": Array [
+          Object {
+            "id": "ascii",
+            "releases": Array [
+              Object {
+                "name": "pkg-a",
+                "type": "minor",
+              },
+            ],
+            "summary": "This is a summary",
+          },
+        ],
+        "releases": Array [
+          Object {
+            "changesets": Array [
+              "ascii",
+            ],
+            "name": "pkg-a",
+            "newVersion": "1.1.0",
+            "oldVersion": "1.0.0",
+            "type": "minor",
+          },
+        ],
+      }
+    `);
   });
 });
diff --git a/packages/cli/src/commands/tag/__tests__/index.test.ts b/packages/cli/src/commands/tag/__tests__/index.test.ts
index 67034d512..985dce730 100644
--- a/packages/cli/src/commands/tag/__tests__/index.test.ts
+++ b/packages/cli/src/commands/tag/__tests__/index.test.ts
@@ -1,22 +1,32 @@
-import fixtures from "fixturez";
-import { silenceLogsInBlock } from "../../../../../test-utils/src";
+import { silenceLogsInBlock, testdir } from "@changesets/test-utils";
 import * as git from "@changesets/git";
 import tag from "../index";
 
-const f = fixtures(__dirname);
-
 jest.mock("@changesets/git");
 
 describe("tag command", () => {
   silenceLogsInBlock();
-  let cwd: string;
 
   describe("workspace project", () => {
-    beforeEach(async () => {
-      cwd = await f.copy("simple-project");
-    });
-
     it("tags all packages", async () => {
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
+
       (git.getAllTags as jest.Mock).mockReturnValue(new Set());
 
       expect(git.tag).not.toHaveBeenCalled();
@@ -27,6 +37,24 @@ describe("tag command", () => {
     });
 
     it("skips tags that already exist", async () => {
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
+
       (git.getAllTags as jest.Mock).mockReturnValue(
         new Set([
           // pkg-a should not be re-tagged
@@ -42,11 +70,14 @@ describe("tag command", () => {
   });
 
   describe("single package repo", () => {
-    beforeEach(async () => {
-      cwd = await f.copy("root-only");
-    });
-
     it("uses a simplified version-only tag", async () => {
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          name: "root-only",
+          version: "1.0.0",
+        }),
+      });
       (git.getAllTags as jest.Mock).mockReturnValue(new Set());
 
       expect(git.tag).not.toHaveBeenCalled();
diff --git a/packages/cli/src/commands/version/version.test.ts b/packages/cli/src/commands/version/version.test.ts
index 773b1b2a5..bf24a1954 100644
--- a/packages/cli/src/commands/version/version.test.ts
+++ b/packages/cli/src/commands/version/version.test.ts
@@ -1,12 +1,10 @@
-import fixtures from "fixturez";
-
 import fs from "fs-extra";
 import path from "path";
 import * as git from "@changesets/git";
 import { warn } from "@changesets/logger";
-import { silenceLogsInBlock } from "@changesets/test-utils";
+import { silenceLogsInBlock, testdir } from "@changesets/test-utils";
 import writeChangeset from "@changesets/write";
-import { NewChangeset, Config } from "@changesets/types";
+import { Config, Changeset } from "@changesets/types";
 import { defaultConfig } from "@changesets/config";
 import { getPackages } from "@manypkg/get-packages";
 import pre from "../pre";
@@ -44,8 +42,6 @@ function mockGlobalDate<
   };
 }
 
-const f = fixtures(__dirname);
-
 let changelogPath = path.resolve(__dirname, "../../changelog");
 let commitPath = path.resolve(__dirname, "../../commit");
 let modifiedDefaultConfig: Config = {
@@ -80,28 +76,7 @@ git.getCurrentCommitId.mockImplementation(() => Promise.resolve("abcdef"));
 // @ts-ignore
 git.tag.mockImplementation(() => Promise.resolve(true));
 
-const simpleChangeset: NewChangeset = {
-  summary: "This is a summary",
-  releases: [{ name: "pkg-a", type: "minor" }],
-  id: "having-lotsof-fun",
-};
-
-const simpleChangeset2: NewChangeset = {
-  summary: "This is a summary too",
-  releases: [
-    { name: "pkg-a", type: "minor" },
-    { name: "pkg-b", type: "patch" },
-  ],
-  id: "wouldnit-be-nice",
-};
-
-const simpleChangeset3: NewChangeset = {
-  summary: "This is not a summary",
-  releases: [{ name: "pkg-b", type: "patch" }],
-  id: "hot-day-today",
-};
-
-const writeChangesets = (changesets: NewChangeset[], cwd: string) => {
+const writeChangesets = (changesets: Changeset[], cwd: string) => {
   return Promise.all(
     changesets.map((changeset) => writeChangeset(changeset, cwd))
   );
@@ -127,8 +102,6 @@ const getChangelog = (pkgName: string, calls: any) => {
   return getFile(pkgName, "CHANGELOG.md", calls);
 };
 
-const writeEmptyChangeset = (cwd: string) => writeChangesets([], cwd);
-
 beforeEach(() => {
   let i = 0;
   (humanId as jest.Mock<string, []>).mockImplementation(() => {
@@ -144,20 +117,20 @@ afterEach(() => {
 
 describe("running version in a simple project", () => {
   silenceLogsInBlock();
-  let cwd: string;
-
-  beforeEach(async () => {
-    cwd = await f.copy("simple-project");
-    console.error = jest.fn();
-  });
-
-  afterEach(async () => {
-    console.error = consoleError;
-  });
 
   describe("when there are no changeset commits", () => {
     it("should warn if no changeset commits exist", async () => {
-      await writeEmptyChangeset(cwd);
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+        }),
+        ".changeset/config.json": JSON.stringify({}),
+      });
       await version(cwd, defaultOptions, modifiedDefaultConfig);
       // @ts-ignore
       const loggerWarnCalls = warn.mock.calls;
@@ -170,7 +143,35 @@ describe("running version in a simple project", () => {
 
   describe("when there is a changeset commit", () => {
     it("should bump releasedPackages", async () => {
-      await writeChangesets([simpleChangeset2], cwd);
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
+      await writeChangesets(
+        [
+          {
+            summary: "This is a summary too",
+            releases: [
+              { name: "pkg-a", type: "minor" },
+              { name: "pkg-b", type: "patch" },
+            ],
+          },
+        ],
+        cwd
+      );
       const spy = jest.spyOn(fs, "writeFile");
 
       await version(cwd, defaultOptions, modifiedDefaultConfig);
@@ -185,7 +186,32 @@ describe("running version in a simple project", () => {
   });
 
   it("should not touch package.json of an ignored package when it is not a dependent of any releasedPackages ", async () => {
-    await writeChangesets([simpleChangeset], cwd);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary",
+          releases: [{ name: "pkg-a", type: "minor" }],
+        },
+      ],
+      cwd
+    );
     const spy = jest.spyOn(fs, "writeFile");
 
     await version(cwd, defaultOptions, {
@@ -201,7 +227,36 @@ describe("running version in a simple project", () => {
   });
 
   it("should not bump ignored packages", async () => {
-    await writeChangesets([simpleChangeset, simpleChangeset3], cwd);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary",
+          releases: [{ name: "pkg-a", type: "minor" }],
+        },
+        {
+          summary: "This is not a summary",
+          releases: [{ name: "pkg-b", type: "patch" }],
+        },
+      ],
+      cwd
+    );
 
     await version(cwd, defaultOptions, {
       ...modifiedDefaultConfig,
@@ -227,18 +282,62 @@ describe("running version in a simple project", () => {
   });
 
   it("should not commit the result if commit config is not set", async () => {
-    await writeChangesets([simpleChangeset2], cwd);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+    });
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary",
+          releases: [{ name: "pkg-a", type: "minor" }],
+        },
+      ],
+      cwd
+    );
     const spy = jest.spyOn(git, "commit");
 
-    expect(spy).not.toHaveBeenCalled();
-
     await version(cwd, defaultOptions, modifiedDefaultConfig);
 
     expect(spy).not.toHaveBeenCalled();
   });
 
   it("should git add the expected files if commit config is set", async () => {
-    const ids = await writeChangesets([simpleChangeset2], cwd);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
+    const ids = await writeChangesets(
+      [
+        {
+          summary: "This is a summary too",
+          releases: [
+            { name: "pkg-a", type: "minor" },
+            { name: "pkg-b", type: "patch" },
+          ],
+        },
+      ],
+      cwd
+    );
     const spy = jest.spyOn(git, "add");
 
     expect(spy).not.toHaveBeenCalled();
@@ -260,7 +359,35 @@ describe("running version in a simple project", () => {
   });
 
   it("should commit the result if commit config is set", async () => {
-    await writeChangesets([simpleChangeset2], cwd);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary too",
+          releases: [
+            { name: "pkg-a", type: "minor" },
+            { name: "pkg-b", type: "patch" },
+          ],
+        },
+      ],
+      cwd
+    );
     const spy = jest.spyOn(git, "commit");
 
     expect(spy).not.toHaveBeenCalled();
@@ -282,7 +409,35 @@ describe("running version in a simple project", () => {
   });
 
   it("should skip over ignored changesets", async () => {
-    const cwd = await f.copy("ignored-changeset");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+      ".changeset/changesets-are-beautiful.md": `---
+"pkg-a": minor
+---
+
+Nice simple summary, much wow
+`,
+      ".changeset/.ignored-temporarily.md": `---
+"pkg-b": minor
+---
+
+Awesome feature, hidden behind a feature flag
+`,
+    });
 
     await version(cwd, defaultOptions, modifiedDefaultConfig);
 
@@ -307,7 +462,23 @@ describe("running version in a simple project", () => {
   });
 
   it("should not update a dependant that uses a tag as a dependency rage for a package that could otherwise be local", async () => {
-    const cwd = await f.copy("dependant-with-tag-range");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["examples/*", "packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+      "examples/example-a/package.json": JSON.stringify({
+        name: "example-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-a": "latest",
+        },
+      }),
+    });
 
     await writeChangeset(
       {
@@ -339,7 +510,39 @@ describe("running version in a simple project", () => {
 
   describe("when there are multiple changeset commits", () => {
     it("should bump releasedPackages", async () => {
-      await writeChangesets([simpleChangeset, simpleChangeset2], cwd);
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
+      await writeChangesets(
+        [
+          {
+            summary: "This is a summary",
+            releases: [{ name: "pkg-a", type: "minor" }],
+          },
+          {
+            summary: "This is a summary too",
+            releases: [
+              { name: "pkg-a", type: "minor" },
+              { name: "pkg-b", type: "patch" },
+            ],
+          },
+        ],
+        cwd
+      );
       const spy = jest.spyOn(fs, "writeFile");
 
       await version(cwd, defaultOptions, modifiedDefaultConfig);
@@ -353,7 +556,39 @@ describe("running version in a simple project", () => {
     });
 
     it("should bump multiple released packages if required", async () => {
-      await writeChangesets([simpleChangeset, simpleChangeset2], cwd);
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
+      await writeChangesets(
+        [
+          {
+            summary: "This is a summary",
+            releases: [{ name: "pkg-a", type: "minor" }],
+          },
+          {
+            summary: "This is a summary too",
+            releases: [
+              { name: "pkg-a", type: "minor" },
+              { name: "pkg-b", type: "patch" },
+            ],
+          },
+        ],
+        cwd
+      );
       const spy = jest.spyOn(fs, "writeFile");
       await version(cwd, defaultOptions, modifiedDefaultConfig);
 
@@ -373,19 +608,81 @@ describe("running version in a simple project", () => {
       );
     });
     it("should delete the changeset files", async () => {
-      await writeChangesets([simpleChangeset, simpleChangeset2], cwd);
-      await version(cwd, defaultOptions, modifiedDefaultConfig);
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+        ".changeset/config.json": JSON.stringify({}),
+      });
+
+      await writeChangesets(
+        [
+          {
+            summary: "This is a summary",
+            releases: [{ name: "pkg-a", type: "minor" }],
+          },
+          {
+            summary: "This is a summary too",
+            releases: [
+              { name: "pkg-a", type: "minor" },
+              { name: "pkg-b", type: "patch" },
+            ],
+          },
+        ],
+        cwd
+      );
+      expect((await fs.readdir(path.resolve(cwd, ".changeset"))).length).toBe(
+        3
+      );
 
-      const files = await fs.readdir(path.resolve(cwd, ".changeset"));
-      expect(files.length).toBe(2);
+      await version(cwd, defaultOptions, modifiedDefaultConfig);
+      expect((await fs.readdir(path.resolve(cwd, ".changeset"))).length).toBe(
+        1
+      );
     });
   });
 });
 
 describe("fixed", () => {
   it("should bump packages to the correct versions when packages are fixed", async () => {
-    const cwd = await f.copy("fixed-packages");
-    await writeChangesets([simpleChangeset], cwd);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary",
+          releases: [{ name: "pkg-a", type: "minor" }],
+        },
+      ],
+      cwd
+    );
     const spy = jest.spyOn(fs, "writeFile");
 
     await version(cwd, defaultOptions, {
@@ -402,8 +699,32 @@ describe("fixed", () => {
   });
 
   it("should not bump an ignored fixed package that depends on a package from the group that is being released", async () => {
-    const cwd = await f.copy("fixed-packages");
-    await writeChangesets([simpleChangeset3], cwd);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
+    await writeChangesets(
+      [
+        {
+          summary: "This is not a summary",
+          releases: [{ name: "pkg-b", type: "patch" }],
+        },
+      ],
+      cwd
+    );
 
     await version(cwd, defaultOptions, {
       ...modifiedDefaultConfig,
@@ -430,10 +751,34 @@ describe("fixed", () => {
   });
 
   it("should update CHANGELOGs of all packages from the fixed group", async () => {
-    const cwd = await f.copy("fixed-packages");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     const spy = jest.spyOn(fs, "writeFile");
 
-    await writeChangesets([simpleChangeset], cwd);
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary",
+          releases: [{ name: "pkg-a", type: "minor" }],
+        },
+      ],
+      cwd
+    );
 
     await version(cwd, defaultOptions, {
       ...modifiedDefaultConfig,
@@ -463,7 +808,15 @@ describe("fixed", () => {
 
     spy.mockClear();
 
-    await writeChangesets([simpleChangeset], cwd);
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary",
+          releases: [{ name: "pkg-a", type: "minor" }],
+        },
+      ],
+      cwd
+    );
 
     await version(cwd, defaultOptions, {
       ...modifiedDefaultConfig,
@@ -507,8 +860,35 @@ describe("fixed", () => {
 
 describe("linked", () => {
   it("should bump packages to the correct versions when packages are linked", async () => {
-    const cwd = await f.copy("linked-packages");
-    await writeChangesets([simpleChangeset2], cwd);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "0.1.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "0.1.0",
+      }),
+    });
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary too",
+          releases: [
+            { name: "pkg-a", type: "minor" },
+            { name: "pkg-b", type: "patch" },
+          ],
+        },
+      ],
+      cwd
+    );
     const spy = jest.spyOn(fs, "writeFile");
 
     await version(cwd, defaultOptions, {
@@ -525,11 +905,38 @@ describe("linked", () => {
   });
 
   it("should not break when there is a linked package without a changeset", async () => {
-    const cwd = await f.copy("linked-packages");
-    await writeChangesets([simpleChangeset], cwd);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "0.1.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "0.1.0",
+      }),
+    });
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary",
+          releases: [{ name: "pkg-a", type: "minor" }],
+        },
+      ],
+      cwd
+    );
     const spy = jest.spyOn(fs, "writeFile");
 
-    await version(cwd, defaultOptions, modifiedDefaultConfig);
+    await version(cwd, defaultOptions, {
+      ...modifiedDefaultConfig,
+      linked: [["pkg-1", "pkg-2"]],
+    });
 
     expect(getPkgJSON("pkg-a", spy.mock.calls)).toEqual(
       expect.objectContaining({ name: "pkg-a", version: "1.1.0" })
@@ -539,9 +946,36 @@ describe("linked", () => {
 
 describe("workspace range", () => {
   it("should update dependency range correctly", async () => {
-    const cwd = f.copy("simple-workspace-range-dep");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "workspace:1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
 
-    await writeChangesets([simpleChangeset2], cwd);
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary too",
+          releases: [
+            { name: "pkg-a", type: "minor" },
+            { name: "pkg-b", type: "patch" },
+          ],
+        },
+      ],
+      cwd
+    );
     await version(cwd, defaultOptions, modifiedDefaultConfig);
 
     let packages = await getPackages(cwd);
@@ -561,7 +995,23 @@ describe("workspace range", () => {
   });
 
   it("should bump dependent package when bumping a `workspace:*` dependency", async () => {
-    const cwd = f.copy("simple-workspace-wildcard-range-dep");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "workspace:*",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
 
     await writeChangeset(
       {
@@ -589,7 +1039,23 @@ describe("workspace range", () => {
   });
 
   it("should bump dependent package when bumping a `workspace:^` dependency", async () => {
-    const cwd = f.copy("workspace-alias-range-dep");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "workspace:^",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
 
     await writeChangeset(
       {
@@ -607,24 +1073,38 @@ describe("workspace range", () => {
         version: "1.0.1",
         dependencies: {
           "pkg-b": "workspace:^",
-          "pkg-c": "workspace:~",
         },
       },
       {
         name: "pkg-b",
         version: "1.0.1",
       },
-      {
-        name: "pkg-c",
-        version: "1.0.0",
-      },
     ]);
   });
 });
 
 describe("same package in different dependency types", () => {
   it("should update different range types correctly", async () => {
-    let cwd = f.copy("simple-project-same-dep-diff-range");
+    let cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        peerDependencies: {
+          "pkg-b": "^1.0.0",
+        },
+        devDependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     await writeChangeset(
       {
         releases: [
@@ -662,8 +1142,35 @@ describe("same package in different dependency types", () => {
 
 describe("snapshot release", () => {
   it("should update the package to unique version no matter the kind of version bump it is", async () => {
-    let cwd = f.copy("simple-project");
-    await writeChangesets([simpleChangeset2], cwd);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary too",
+          releases: [
+            { name: "pkg-a", type: "minor" },
+            { name: "pkg-b", type: "patch" },
+          ],
+        },
+      ],
+      cwd
+    );
     const spy = jest.spyOn(fs, "writeFile");
     await version(
       cwd,
@@ -691,8 +1198,35 @@ describe("snapshot release", () => {
   });
 
   it("should not commit the result even if commit config is set", async () => {
-    let cwd = f.copy("simple-project");
-    await writeChangesets([simpleChangeset2], cwd);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
+    await writeChangesets(
+      [
+        {
+          summary: "This is a summary too",
+          releases: [
+            { name: "pkg-a", type: "minor" },
+            { name: "pkg-b", type: "patch" },
+          ],
+        },
+      ],
+      cwd
+    );
     const spy = jest.spyOn(git, "commit");
 
     expect(spy).not.toHaveBeenCalled();
@@ -712,7 +1246,16 @@ describe("snapshot release", () => {
   });
 
   it("should not bump version of a package with an explicit none release type", async () => {
-    const cwd = await f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+    });
     await writeChangeset(
       {
         releases: [{ name: "pkg-a", type: "none" }],
@@ -733,16 +1276,9 @@ describe("snapshot release", () => {
       .toMatchInlineSnapshot(`
       Array [
         Object {
-          "dependencies": Object {
-            "pkg-b": "1.0.0",
-          },
           "name": "pkg-a",
           "version": "1.0.0",
         },
-        Object {
-          "name": "pkg-b",
-          "version": "1.0.0",
-        },
       ]
     `);
   });
@@ -750,7 +1286,23 @@ describe("snapshot release", () => {
   it(
     "should not bump version of an ignored package when its dependency gets updated",
     mockGlobalDate(async () => {
-      const cwd = await f.copy("simple-project");
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
       await writeChangeset(
         {
           releases: [{ name: "pkg-b", type: "major" }],
@@ -791,8 +1343,35 @@ describe("snapshot release", () => {
 
   describe("snapshotPrereleaseTemplate", () => {
     it('should throw an error when "{tag}" and empty snapshot is used', async () => {
-      let cwd = f.copy("simple-project");
-      await writeChangesets([simpleChangeset2], cwd);
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
+      await writeChangesets(
+        [
+          {
+            summary: "This is a summary too",
+            releases: [
+              { name: "pkg-a", type: "minor" },
+              { name: "pkg-b", type: "patch" },
+            ],
+          },
+        ],
+        cwd
+      );
       jest.spyOn(fs, "writeFile");
 
       expect(
@@ -814,8 +1393,35 @@ describe("snapshot release", () => {
     });
 
     it('should throw an error when "{tag}" is set and named snapshot is used', async () => {
-      let cwd = f.copy("simple-project");
-      await writeChangesets([simpleChangeset2], cwd);
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
+      await writeChangesets(
+        [
+          {
+            summary: "This is a summary too",
+            releases: [
+              { name: "pkg-a", type: "minor" },
+              { name: "pkg-b", type: "patch" },
+            ],
+          },
+        ],
+        cwd
+      );
       jest.spyOn(fs, "writeFile");
 
       expect(
@@ -858,8 +1464,35 @@ describe("snapshot release", () => {
       "should customize release correctly based on snapshotPrereleaseTemplate template: %p (tag: '%p')",
       mockGlobalDate(
         async (snapshotTemplate, snapshotValue, expectedResult) => {
-          let cwd = f.copy("simple-project");
-          await writeChangesets([simpleChangeset2], cwd);
+          const cwd = await testdir({
+            "package.json": JSON.stringify({
+              private: true,
+              workspaces: ["packages/*"],
+            }),
+            "packages/pkg-a/package.json": JSON.stringify({
+              name: "pkg-a",
+              version: "1.0.0",
+              dependencies: {
+                "pkg-b": "1.0.0",
+              },
+            }),
+            "packages/pkg-b/package.json": JSON.stringify({
+              name: "pkg-b",
+              version: "1.0.0",
+            }),
+          });
+          await writeChangesets(
+            [
+              {
+                summary: "This is a summary too",
+                releases: [
+                  { name: "pkg-a", type: "minor" },
+                  { name: "pkg-b", type: "patch" },
+                ],
+              },
+            ],
+            cwd
+          );
           const spy = jest.spyOn(fs, "writeFile");
           await version(
             cwd,
@@ -894,8 +1527,35 @@ describe("snapshot release", () => {
 
   describe("snapshot.useCalculatedVersion: true", () => {
     it("should update packages using calculated version", async () => {
-      let cwd = f.copy("simple-project");
-      await writeChangesets([simpleChangeset2], cwd);
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
+      await writeChangesets(
+        [
+          {
+            summary: "This is a summary too",
+            releases: [
+              { name: "pkg-a", type: "minor" },
+              { name: "pkg-b", type: "patch" },
+            ],
+          },
+        ],
+        cwd
+      );
       const spy = jest.spyOn(fs, "writeFile");
       await version(
         cwd,
@@ -927,7 +1587,16 @@ describe("snapshot release", () => {
     });
 
     it("should not bump version of a package with an explicit none release type", async () => {
-      const cwd = await f.copy("simple-project");
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+        }),
+      });
       await writeChangeset(
         {
           releases: [{ name: "pkg-a", type: "none" }],
@@ -954,16 +1623,9 @@ describe("snapshot release", () => {
         .toMatchInlineSnapshot(`
         Array [
           Object {
-            "dependencies": Object {
-              "pkg-b": "1.0.0",
-            },
             "name": "pkg-a",
             "version": "1.0.0",
           },
-          Object {
-            "name": "pkg-b",
-            "version": "1.0.0",
-          },
         ]
       `);
     });
@@ -971,7 +1633,23 @@ describe("snapshot release", () => {
     it(
       "should not bump version of an ignored package when its dependency gets updated",
       mockGlobalDate(async () => {
-        const cwd = await f.copy("simple-project");
+        const cwd = await testdir({
+          "package.json": JSON.stringify({
+            private: true,
+            workspaces: ["packages/*"],
+          }),
+          "packages/pkg-a/package.json": JSON.stringify({
+            name: "pkg-a",
+            version: "1.0.0",
+            dependencies: {
+              "pkg-b": "1.0.0",
+            },
+          }),
+          "packages/pkg-b/package.json": JSON.stringify({
+            name: "pkg-b",
+            version: "1.0.0",
+          }),
+        });
         await writeChangeset(
           {
             releases: [{ name: "pkg-b", type: "major" }],
@@ -1018,9 +1696,31 @@ describe("snapshot release", () => {
 
 describe("updateInternalDependents: always", () => {
   it("should bump a direct dependent when a dependency package gets bumped", async () => {
-    const cwd = await f.copy("simple-project-caret-dep");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "^1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     const spy = jest.spyOn(fs, "writeFile");
-    await writeChangeset(simpleChangeset3, cwd);
+    await writeChangeset(
+      {
+        summary: "This is not a summary",
+        releases: [{ name: "pkg-b", type: "patch" }],
+      },
+      cwd
+    );
     await version(cwd, defaultOptions, {
       ...modifiedDefaultConfig,
       ___experimentalUnsafeOptions_WILL_CHANGE_IN_PATCH: {
@@ -1068,9 +1768,35 @@ describe("updateInternalDependents: always", () => {
   });
 
   it("should not bump a dev dependent nor its dependent when a package gets bumped", async () => {
-    const cwd = await f.copy("simplest-transitive-devdependent");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+        devDependencies: { "pkg-a": "1.0.0" },
+      }),
+      "packages/pkg-c/package.json": JSON.stringify({
+        name: "pkg-c",
+        version: "1.0.0",
+        dependencies: { "pkg-b": "1.0.0" },
+      }),
+    });
+
     const spy = jest.spyOn(fs, "writeFile");
-    await writeChangeset(simpleChangeset, cwd);
+    await writeChangeset(
+      {
+        summary: "This is a summary",
+        releases: [{ name: "pkg-a", type: "minor" }],
+      },
+      cwd
+    );
     await version(cwd, defaultOptions, {
       ...modifiedDefaultConfig,
       ___experimentalUnsafeOptions_WILL_CHANGE_IN_PATCH: {
@@ -1117,7 +1843,23 @@ describe("updateInternalDependents: always", () => {
 
 describe("pre", () => {
   it("should work", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     await pre(cwd, { command: "enter", tag: "next" });
     await writeChangeset(
       {
@@ -1311,7 +2053,23 @@ describe("pre", () => {
     `);
   });
   it("should work with adding a package while in pre mode", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     await pre(cwd, { command: "enter", tag: "next" });
     await writeChangeset(
       {
@@ -1373,7 +2131,23 @@ describe("pre", () => {
     ]);
   });
   it("should work for my weird case", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     await writeChangeset(
       {
         releases: [{ name: "pkg-a", type: "minor" }],
@@ -1421,7 +2195,23 @@ describe("pre", () => {
   });
   // https://github.com/changesets/changesets/pull/382#discussion_r434434182
   it("should bump patch version for packages that had prereleases, but caret dependencies are still in range", async () => {
-    let cwd = f.copy("simple-project-caret-dep");
+    let cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "^1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     await pre(cwd, { command: "enter", tag: "next" });
     await writeChangeset(
       {
@@ -1467,7 +2257,23 @@ describe("pre", () => {
   });
 
   it("should use the highest bump type between all prereleases when versioning a package", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     await writeChangeset(
       {
         releases: [{ name: "pkg-a", type: "major" }],
@@ -1515,7 +2321,23 @@ describe("pre", () => {
     ]);
   });
   it("should use the highest bump type between all prereleases when versioning a dependent package", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     await pre(cwd, { command: "enter", tag: "next" });
 
     await writeChangeset(
@@ -1565,7 +2387,23 @@ describe("pre", () => {
   });
 
   it("should not bump packages through devDependencies", async () => {
-    let cwd = f.copy("simple-dev-dep");
+    let cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        devDependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     await writeChangeset(
       {
         releases: [{ name: "pkg-b", type: "major" }],
@@ -1591,7 +2429,23 @@ describe("pre", () => {
     ]);
   });
   it("should not bump ignored packages through dependencies", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     await writeChangeset(
       {
         releases: [{ name: "pkg-a", type: "major" }],
@@ -1628,12 +2482,28 @@ describe("pre", () => {
     ]);
   });
   it("should bump dependent of prerelease package when bumping a `workspace:~` dependency", async () => {
-    const cwd = f.copy("workspace-alias-range-dep");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "workspace:~",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     await pre(cwd, { command: "enter", tag: "alpha" });
 
     await writeChangeset(
       {
-        releases: [{ name: "pkg-c", type: "patch" }],
+        releases: [{ name: "pkg-b", type: "patch" }],
         summary: "a very useful summary for the change",
       },
       cwd
@@ -1646,23 +2516,34 @@ describe("pre", () => {
         name: "pkg-a",
         version: "1.0.1-alpha.0",
         dependencies: {
-          "pkg-b": "workspace:^",
-          "pkg-c": "workspace:~",
+          "pkg-b": "workspace:~",
         },
       },
       {
         name: "pkg-b",
-        version: "1.0.0",
-      },
-      {
-        name: "pkg-c",
         version: "1.0.1-alpha.0",
       },
     ]);
   });
 
   it("should replace star range for dependency in dependant package when that dependency has its first prerelease in an already active pre mode", async () => {
-    const cwd = f.copy("simple-star-dep");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "*",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
 
     await pre(cwd, { command: "enter", tag: "alpha" });
 
@@ -1722,7 +2603,23 @@ describe("pre", () => {
   });
 
   it("bumping dependency in pre mode should result in dependant with star range on that dependency to be patch bumped and that range to be replaced with exact version", async () => {
-    const cwd = f.copy("simple-star-dep");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "*",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
 
     await pre(cwd, { command: "enter", tag: "alpha" });
 
@@ -1755,7 +2652,23 @@ describe("pre", () => {
   });
 
   it("bumping dependency in pre mode should result in dependant with workspace:* range on that dependency to be patch bumped without changing the dependency range", async () => {
-    const cwd = f.copy("simple-workspace-wildcard-range-dep");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "workspace:*",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
 
     await pre(cwd, { command: "enter", tag: "alpha" });
 
@@ -1788,7 +2701,23 @@ describe("pre", () => {
   });
 
   it("bumping dependency in pre mode should result in dependant with workspace:^ range on that dependency to be patch bumped without changing the dependency range", async () => {
-    const cwd = f.copy("workspace-alias-range-dep");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "workspace:^",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
 
     await pre(cwd, { command: "enter", tag: "alpha" });
 
@@ -1808,7 +2737,6 @@ describe("pre", () => {
         Object {
           "dependencies": Object {
             "pkg-b": "workspace:^",
-            "pkg-c": "workspace:~",
           },
           "name": "pkg-a",
           "version": "1.0.1-alpha.0",
@@ -1817,22 +2745,34 @@ describe("pre", () => {
           "name": "pkg-b",
           "version": "1.0.1-alpha.0",
         },
-        Object {
-          "name": "pkg-c",
-          "version": "1.0.0",
-        },
       ]
     `);
   });
 
   it("bumping dependency in pre mode should result in dependant with workspace:~ range on that dependency to be patch bumped without changing the dependency range", async () => {
-    const cwd = f.copy("workspace-alias-range-dep");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "workspace:~",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
 
     await pre(cwd, { command: "enter", tag: "alpha" });
 
     await writeChangeset(
       {
-        releases: [{ name: "pkg-c", type: "patch" }],
+        releases: [{ name: "pkg-b", type: "patch" }],
         summary: "a very useful summary for the change",
       },
       cwd
@@ -1845,18 +2785,13 @@ describe("pre", () => {
       Array [
         Object {
           "dependencies": Object {
-            "pkg-b": "workspace:^",
-            "pkg-c": "workspace:~",
+            "pkg-b": "workspace:~",
           },
           "name": "pkg-a",
           "version": "1.0.1-alpha.0",
         },
         Object {
           "name": "pkg-b",
-          "version": "1.0.0",
-        },
-        Object {
-          "name": "pkg-c",
           "version": "1.0.1-alpha.0",
         },
       ]
@@ -1869,7 +2804,23 @@ describe("pre", () => {
         ...modifiedDefaultConfig,
         linked: [["pkg-a", "pkg-b"]],
       };
-      let cwd = f.copy("simple-project");
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
       await writeChangeset(
         {
           releases: [{ name: "pkg-a", type: "minor" }],
@@ -1961,7 +2912,27 @@ describe("pre", () => {
         ...modifiedDefaultConfig,
         linked: [["pkg-a", "pkg-b"]],
       };
-      let cwd = f.copy("linked-and-not-linked-packages");
+      let cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-c": "0.1.0",
+          },
+        }),
+        "packages/pkg-c/package.json": JSON.stringify({
+          name: "pkg-c",
+          version: "0.1.0",
+        }),
+      });
       await pre(cwd, { command: "enter", tag: "next" });
       await writeChangeset(
         {
@@ -2020,7 +2991,23 @@ describe("pre", () => {
         ...modifiedDefaultConfig,
         linked: [["pkg-a", "pkg-b"]],
       };
-      let cwd = f.copy("linked-packages-with-linked-dev-dep");
+      let cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          devDependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+      });
       await writeChangeset(
         {
           releases: [{ name: "pkg-b", type: "patch" }],
diff --git a/packages/cli/src/run.test.ts b/packages/cli/src/run.test.ts
index 4a6b6c3fd..8e4b79d40 100644
--- a/packages/cli/src/run.test.ts
+++ b/packages/cli/src/run.test.ts
@@ -1,20 +1,25 @@
-import fixtures from "fixturez";
 import { error } from "@changesets/logger";
+import { testdir } from "@changesets/test-utils";
 
 import { run } from "./run";
 
-const f = fixtures(__dirname);
 jest.mock("@changesets/logger");
 jest.mock("./commands/version");
 
 describe("cli", () => {
   describe("version", () => {
-    let cwd: string;
-    beforeEach(async () => {
-      cwd = await f.copy("simple-project");
-    });
-
     it("should validate package name passed in from --ignore flag", async () => {
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+        }),
+        ".changeset/config.json": JSON.stringify({}),
+      });
       try {
         await run(["version"], { ignore: "pkg-c" }, cwd);
       } catch (e) {
@@ -29,6 +34,24 @@ describe("cli", () => {
     });
 
     it("should throw if dependents of ignored packages are not explicitly listed in the ignore array", async () => {
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+        ".changeset/config.json": JSON.stringify({}),
+      });
       try {
         await run(["version"], { ignore: ["pkg-b"] }, cwd);
       } catch (e) {
@@ -43,7 +66,26 @@ describe("cli", () => {
     });
 
     it("should throw if `--ignore` flag is used while ignore array is also defined in the config file ", async () => {
-      cwd = await f.copy("simple-project-with-ignore-config");
+      const cwd = await testdir({
+        "package.json": JSON.stringify({
+          private: true,
+          workspaces: ["packages/*"],
+        }),
+        "packages/pkg-a/package.json": JSON.stringify({
+          name: "pkg-a",
+          version: "1.0.0",
+          dependencies: {
+            "pkg-b": "1.0.0",
+          },
+        }),
+        "packages/pkg-b/package.json": JSON.stringify({
+          name: "pkg-b",
+          version: "1.0.0",
+        }),
+        ".changeset/config.json": JSON.stringify({
+          ignore: ["pkg-a"],
+        }),
+      });
       try {
         await run(["version"], { ignore: "pkg-b" }, cwd);
       } catch (e) {
diff --git a/packages/config/package.json b/packages/config/package.json
index a49a987ea..8e7b722f3 100644
--- a/packages/config/package.json
+++ b/packages/config/package.json
@@ -20,8 +20,8 @@
     "micromatch": "^4.0.2"
   },
   "devDependencies": {
+    "@changesets/test-utils": "*",
     "@types/micromatch": "^4.0.1",
-    "fixturez": "^1.1.0",
     "jest-in-case": "^1.0.2"
   }
 }
diff --git a/packages/config/src/index.test.ts b/packages/config/src/index.test.ts
index 6b12f530c..6542edb6b 100644
--- a/packages/config/src/index.test.ts
+++ b/packages/config/src/index.test.ts
@@ -1,9 +1,9 @@
-import fixturez from "fixturez";
 import { read, parse } from "./";
 import jestInCase from "jest-in-case";
 import * as logger from "@changesets/logger";
 import { Config, WrittenConfig } from "@changesets/types";
 import { Packages } from "@manypkg/get-packages";
+import { testdir } from "@changesets/test-utils";
 
 jest.mock("@changesets/logger");
 
@@ -13,8 +13,6 @@ type CorrectCase = {
   output: Config;
 };
 
-let f = fixturez(__dirname);
-
 let defaultPackages: Packages = {
   root: {
     packageJson: { name: "", version: "" },
@@ -33,8 +31,13 @@ const withPackages = (pkgNames: string[]) => ({
 });
 
 test("read reads the config", async () => {
-  let dir = f.find("new-config");
-  let config = await read(dir, defaultPackages);
+  let cwd = await testdir({
+    ".changeset/config.json": JSON.stringify({
+      changelog: false,
+      commit: true,
+    }),
+  });
+  let config = await read(cwd, defaultPackages);
   expect(config).toEqual({
     fixed: [],
     linked: [],
diff --git a/packages/git/package.json b/packages/git/package.json
index e63c48f59..cf212f13c 100644
--- a/packages/git/package.json
+++ b/packages/git/package.json
@@ -15,7 +15,8 @@
     "spawndamnit": "^2.0.0"
   },
   "devDependencies": {
-    "file-url": "^3.0.0",
-    "fixturez": "^1.1.0"
+    "@changesets/test-utils": "*",
+    "@changesets/write": "*",
+    "file-url": "^3.0.0"
   }
 }
diff --git a/packages/git/src/index.test.ts b/packages/git/src/index.test.ts
index ee3037e4a..317885e89 100644
--- a/packages/git/src/index.test.ts
+++ b/packages/git/src/index.test.ts
@@ -1,7 +1,8 @@
 import path from "path";
-import fixtures from "fixturez";
 import spawn from "spawndamnit";
 import fileUrl from "file-url";
+import { tempdir, testdir } from "@changesets/test-utils";
+import writeChangeset from "@changesets/write";
 
 import {
   getCommitsThatAddFiles,
@@ -16,8 +17,6 @@ import {
   tagExists,
 } from "./";
 
-const f = fixtures(__dirname);
-
 async function getCurrentCommit(cwd: string) {
   const cmd = await spawn("git", ["rev-parse", "HEAD"], { cwd });
   return cmd.stdout.toString().trim();
@@ -36,7 +35,25 @@ async function getCommitCount(cwd: string) {
 describe("git", () => {
   let cwd: string;
   beforeEach(async () => {
-    cwd = f.copy("with-git");
+    cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-a/index.js": `export default "a"`,
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+      "packages/pkg-b/index.js": `export default "b"`,
+    });
     await spawn("git", ["init"], { cwd });
     // so that this works regardless of what the default branch of git init is and for git versions that don't support --initial-branch(like our CI)
     {
@@ -143,7 +160,6 @@ describe("git", () => {
         .filter((a) => a);
 
       expect(stagedFiles).toEqual([
-        "packages/package.json",
         "packages/pkg-a/index.js",
         "packages/pkg-a/package.json",
         "packages/pkg-b/index.js",
@@ -259,12 +275,11 @@ describe("git", () => {
     });
 
     describe("with shallow clone", () => {
-      // We will add these three well-known files
+      // We will add these well-known files
       // over multiple commits, then test looking up
       // the commits at which they were added.
-      const file1 = ".changeset/quick-lions-devour.md";
-      const file2 = "packages/pkg-a/index.js";
-      const file3 = "packages/pkg-b/index.js";
+      const file1 = "packages/pkg-a/index.js";
+      const file2 = "packages/pkg-b/index.js";
 
       // Roughly how many commits will the deepening algorithm
       // deepen each time?  We use this to set up test data to
@@ -291,7 +306,7 @@ describe("git", () => {
 
       async function createShallowClone(depth: number): Promise<string> {
         // Make a 1-commit-deep shallow clone of this repo
-        const cloneDir = f.temp();
+        const cloneDir = tempdir();
         await spawn(
           "git",
           // Note: a file:// URL is needed in order to make a shallow clone of
@@ -344,12 +359,12 @@ describe("git", () => {
       it("reads the SHA of a file-add even if the first commit of a repo", async () => {
         // Finding this commit will require deepening the clone right to the start
         // of the repo history, and coping with a commit that has no parent.
-        const originalCommit = await addFileAndCommit(file3);
+        const originalCommit = await addFileAndCommit(file2);
         await createDummyCommits(shallowCloneDeepeningAmount * 2);
         const clone = await createShallowClone(5);
 
         // Finding this commit will require fully deepening the repo
-        const commit = (await getCommitsThatAddFiles([file3], clone))[0];
+        const commit = (await getCommitsThatAddFiles([file2], clone))[0];
         expect(commit).toEqual(originalCommit);
 
         // We should have fully deepened
@@ -520,27 +535,51 @@ describe("git", () => {
     it("should get the relative path to the changeset file", async () => {
       await add("packages/pkg-a/package.json", cwd);
       await commit("added packageA package.json", cwd);
+      const changesetId = await writeChangeset(
+        {
+          releases: [
+            {
+              name: "pkg-a",
+              type: "minor",
+            },
+          ],
+          summary: "Awesome summary",
+        },
+        cwd
+      );
       await add(".changeset", cwd);
 
       const files = await getChangedChangesetFilesSinceRef({
         cwd,
         ref: "main",
       });
-      expect(files).toHaveLength(2);
-      expect(files[1]).toEqual(".changeset/quick-lions-devour.md");
+      expect(files).toHaveLength(1);
+      expect(files[0]).toEqual(`.changeset/${changesetId}.md`);
     });
     it("should work on a ref that isn't the base branch", async () => {
       await spawn("git", ["checkout", "-b", "some-branch"], { cwd });
       await add("packages/pkg-a/package.json", cwd);
       await commit("added packageA package.json", cwd);
+      const changesetId = await writeChangeset(
+        {
+          releases: [
+            {
+              name: "pkg-a",
+              type: "minor",
+            },
+          ],
+          summary: "Awesome summary",
+        },
+        cwd
+      );
       await add(".changeset", cwd);
 
       const files = await getChangedChangesetFilesSinceRef({
         cwd,
         ref: "some-branch",
       });
-      expect(files).toHaveLength(2);
-      expect(files[1]).toEqual(".changeset/quick-lions-devour.md");
+      expect(files).toHaveLength(1);
+      expect(files[0]).toEqual(`.changeset/${changesetId}.md`);
     });
   });
 });
diff --git a/packages/pre/package.json b/packages/pre/package.json
index 60a6a8d97..63ec0f8fe 100644
--- a/packages/pre/package.json
+++ b/packages/pre/package.json
@@ -14,6 +14,6 @@
     "fs-extra": "^7.0.1"
   },
   "devDependencies": {
-    "fixturez": "^1.1.0"
+    "@changesets/test-utils": "*"
   }
 }
diff --git a/packages/pre/src/index.test.ts b/packages/pre/src/index.test.ts
index 8f0faef1a..c717b3d45 100644
--- a/packages/pre/src/index.test.ts
+++ b/packages/pre/src/index.test.ts
@@ -1,86 +1,184 @@
-import fixturez from "fixturez";
 import { enterPre, exitPre, readPreState } from "./index";
 import * as fs from "fs-extra";
 import path from "path";
-import { PreState } from "@changesets/types";
 import {
   PreEnterButInPreModeError,
   PreExitButNotInPreModeError,
-} from "@changesets/errors/src";
-
-let f = fixturez(__dirname);
-
-let preStateForSimpleProject: PreState = {
-  changesets: [],
-  initialVersions: {
-    "pkg-a": "1.0.0",
-    "pkg-b": "1.0.0",
-  },
-  mode: "pre",
-  tag: "next",
-};
-
-let preStateForExited: PreState = {
-  changesets: ["slimy-dingos-whisper"],
-  initialVersions: {
-    "pkg-a": "1.0.0",
-    "pkg-b": "1.0.0",
-  },
-  mode: "exit",
-  tag: "beta",
-};
+} from "@changesets/errors";
+import { testdir } from "@changesets/test-utils";
 
 describe("enterPre", () => {
   it("should enter", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+    });
     await enterPre(cwd, "next");
 
-    expect(await fs.readJson(path.join(cwd, ".changeset", "pre.json"))).toEqual(
-      preStateForSimpleProject
-    );
+    expect(await fs.readJson(path.join(cwd, ".changeset", "pre.json")))
+      .toMatchInlineSnapshot(`
+      Object {
+        "changesets": Array [],
+        "initialVersions": Object {
+          "pkg-a": "1.0.0",
+          "pkg-b": "1.0.0",
+        },
+        "mode": "pre",
+        "tag": "next",
+      }
+    `);
   });
   it("should throw if already in pre", async () => {
-    let cwd = f.copy("simple-project");
-    await fs.writeJSON(
-      path.join(cwd, ".changeset", "pre.json"),
-      preStateForSimpleProject
-    );
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+      ".changeset/pre.json": JSON.stringify({
+        changesets: [],
+        initialVersions: {
+          "pkg-a": "1.0.0",
+          "pkg-b": "1.0.0",
+        },
+        mode: "pre",
+        tag: "next",
+      }),
+    });
     await expect(enterPre(cwd, "some-tag")).rejects.toBeInstanceOf(
       PreEnterButInPreModeError
     );
   });
   it("should enter if already exited pre mode", async () => {
-    let cwd = f.copy("simple-project");
-    await fs.writeJSON(
-      path.join(cwd, ".changeset", "pre.json"),
-      preStateForExited
-    );
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+      ".changeset/pre.json": JSON.stringify({
+        changesets: ["slimy-dingos-whisper"],
+        initialVersions: {
+          "pkg-a": "1.0.0",
+          "pkg-b": "1.0.0",
+        },
+        mode: "exit",
+        tag: "beta",
+      }),
+    });
     await enterPre(cwd, "next");
-    expect(await fs.readJson(path.join(cwd, ".changeset", "pre.json"))).toEqual(
-      {
-        ...preStateForExited,
-        mode: "pre",
-        tag: "next",
+    expect(await fs.readJson(path.join(cwd, ".changeset", "pre.json")))
+      .toMatchInlineSnapshot(`
+      Object {
+        "changesets": Array [
+          "slimy-dingos-whisper",
+        ],
+        "initialVersions": Object {
+          "pkg-a": "1.0.0",
+          "pkg-b": "1.0.0",
+        },
+        "mode": "pre",
+        "tag": "next",
       }
-    );
+    `);
   });
 });
 
 describe("exitPre", () => {
   it("should exit", async () => {
-    let cwd = f.copy("simple-project");
-    await fs.writeJSON(
-      path.join(cwd, ".changeset", "pre.json"),
-      preStateForSimpleProject
-    );
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+      ".changeset/pre.json": JSON.stringify({
+        changesets: [],
+        initialVersions: {
+          "pkg-a": "1.0.0",
+          "pkg-b": "1.0.0",
+        },
+        mode: "pre",
+        tag: "next",
+      }),
+    });
     await exitPre(cwd);
 
-    expect(await fs.readJson(path.join(cwd, ".changeset", "pre.json"))).toEqual(
-      { ...preStateForSimpleProject, mode: "exit" }
-    );
+    expect(await fs.readJson(path.join(cwd, ".changeset", "pre.json")))
+      .toMatchInlineSnapshot(`
+      Object {
+        "changesets": Array [],
+        "initialVersions": Object {
+          "pkg-a": "1.0.0",
+          "pkg-b": "1.0.0",
+        },
+        "mode": "exit",
+        "tag": "next",
+      }
+    `);
   });
   it("should throw if not in pre", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+      ".changeset/config.json": JSON.stringify({}),
+    });
     await expect(exitPre(cwd)).rejects.toBeInstanceOf(
       PreExitButNotInPreModeError
     );
@@ -88,10 +186,41 @@ describe("exitPre", () => {
 });
 
 test("readPreState reads the pre state", async () => {
-  let cwd = f.copy("simple-project");
-  await fs.writeJSON(
-    path.join(cwd, ".changeset", "pre.json"),
-    preStateForSimpleProject
-  );
-  expect(await readPreState(cwd)).toEqual(preStateForSimpleProject);
+  const cwd = await testdir({
+    "package.json": JSON.stringify({
+      private: true,
+      workspaces: ["packages/*"],
+    }),
+    "packages/pkg-a/package.json": JSON.stringify({
+      name: "pkg-a",
+      version: "1.0.0",
+      dependencies: {
+        "pkg-b": "1.0.0",
+      },
+    }),
+    "packages/pkg-b/package.json": JSON.stringify({
+      name: "pkg-b",
+      version: "1.0.0",
+    }),
+    ".changeset/pre.json": JSON.stringify({
+      changesets: [],
+      initialVersions: {
+        "pkg-a": "1.0.0",
+        "pkg-b": "1.0.0",
+      },
+      mode: "pre",
+      tag: "next",
+    }),
+  });
+  expect(await readPreState(cwd)).toMatchInlineSnapshot(`
+    Object {
+      "changesets": Array [],
+      "initialVersions": Object {
+        "pkg-a": "1.0.0",
+        "pkg-b": "1.0.0",
+      },
+      "mode": "pre",
+      "tag": "next",
+    }
+  `);
 });
diff --git a/packages/pre/src/index.ts b/packages/pre/src/index.ts
index 419bf24be..f39efd689 100644
--- a/packages/pre/src/index.ts
+++ b/packages/pre/src/index.ts
@@ -38,7 +38,7 @@ export async function exitPre(cwd: string) {
     throw new PreExitButNotInPreModeError();
   }
 
-  await fs.writeFile(
+  await fs.outputFile(
     preStatePath,
     JSON.stringify({ ...preState, mode: "exit" }, null, 2) + "\n"
   );
@@ -61,5 +61,8 @@ export async function enterPre(cwd: string, tag: string) {
   for (let pkg of packages.packages) {
     newPreState.initialVersions[pkg.packageJson.name] = pkg.packageJson.version;
   }
-  await fs.writeFile(preStatePath, JSON.stringify(newPreState, null, 2) + "\n");
+  await fs.outputFile(
+    preStatePath,
+    JSON.stringify(newPreState, null, 2) + "\n"
+  );
 }
diff --git a/packages/read/package.json b/packages/read/package.json
index 227f85b15..ccdc0b4e0 100644
--- a/packages/read/package.json
+++ b/packages/read/package.json
@@ -18,7 +18,6 @@
   },
   "devDependencies": {
     "@changesets/test-utils": "*",
-    "fixturez": "^1.1.0",
     "outdent": "^0.5.0"
   }
 }
diff --git a/packages/read/src/index.test.ts b/packages/read/src/index.test.ts
index 5352c6547..386775eaa 100644
--- a/packages/read/src/index.test.ts
+++ b/packages/read/src/index.test.ts
@@ -1,44 +1,63 @@
-import fixtures from "fixturez";
+import fs from "fs-extra";
+import path from "path";
 import outdent from "outdent";
 
 import read from "./";
-import { silenceLogsInBlock } from "@changesets/test-utils";
-
-const f = fixtures(__dirname);
+import { silenceLogsInBlock, testdir } from "@changesets/test-utils";
 
 silenceLogsInBlock();
 
 describe("read changesets from disc", () => {
   it("should read a changeset from disc", async () => {
-    const changesetPath = f.find("easy-read");
+    const cwd = await testdir({
+      ".changeset/cool-computer-club.md": `---
+"cool-package": minor
+---
+
+Nice simple summary`,
+    });
 
-    const changesets = await read(changesetPath);
+    const changesets = await read(cwd);
     expect(changesets).toEqual([
       {
         releases: [{ name: "cool-package", type: "minor" }],
         summary: "Nice simple summary",
-        id: "basic-changeset",
+        id: "cool-computer-club",
       },
     ]);
   });
   it("should ignore a readme file", async () => {
-    const changesetPath = f.find("with-readme");
+    const cwd = await testdir({
+      ".changeset/README.md": `Changesets are great for monorepos`,
+      ".changeset/one-chance.md": `---
+"cool-package": minor
+---
 
-    const changesets = await read(changesetPath);
+Nice simple summary
+`,
+    });
+
+    const changesets = await read(cwd);
     expect(changesets).toEqual([
       {
         releases: [{ name: "cool-package", type: "minor" }],
         summary: "Nice simple summary",
-        id: "basic-changeset",
+        id: "one-chance",
       },
     ]);
   });
   it("read a changeset that isn't a three word id", async () => {
     // I just want it enshrined in the tests that the file name's format
     // is in no way part of the changeset spec
-    const changesetPath = f.find("easy-read");
+    const cwd = await testdir({
+      ".changeset/basic-changeset.md": `---
+"cool-package": minor
+---
+
+Nice simple summary`,
+    });
 
-    const changesets = await read(changesetPath);
+    const changesets = await read(cwd);
     expect(changesets).toEqual([
       {
         releases: [{ name: "cool-package", type: "minor" }],
@@ -48,34 +67,47 @@ describe("read changesets from disc", () => {
     ]);
   });
   it("should read many changesets from disc", async () => {
-    const changesetPath = f.find("multiple-changesets");
+    const cwd = await testdir({
+      ".changeset/cool-computer-club.md": `---
+"cool-package": minor
+---
 
-    const changesets = await read(changesetPath);
+Nice simple summary`,
+      ".changeset/tiny-little-but-awesome.md": `---
+"perfect-package": patch
+---
+
+I'm amazed we needed to update the best package, because it was already the best
+`,
+    });
+
+    const changesets = await read(cwd);
     expect(changesets).toEqual([
       {
         releases: [{ name: "cool-package", type: "minor" }],
         summary: "Nice simple summary",
-        id: "first-changeset",
+        id: "cool-computer-club",
       },
       {
-        releases: [{ name: "best-package", type: "patch" }],
+        releases: [{ name: "perfect-package", type: "patch" }],
         summary:
           "I'm amazed we needed to update the best package, because it was already the best",
-        id: "second-changeset",
+        id: "tiny-little-but-awesome",
       },
     ]);
   });
   it("should return an empty array when no changesets are found", async () => {
-    const changesetPath = f.find("no-changeset");
+    const cwd = await testdir({});
+    await fs.mkdir(path.join(cwd, ".changeset"));
 
-    const changesets = await read(changesetPath);
+    const changesets = await read(cwd);
     expect(changesets).toEqual([]);
   });
   it("should error when there is no changeset folder", async () => {
-    const changesetPath = f.find("no-changeset-folder");
+    const cwd = await testdir({});
 
     try {
-      await read(changesetPath);
+      await read(cwd);
     } catch (e) {
       expect((e as Error).message).toBe(
         "There is no .changeset directory in this project"
@@ -85,9 +117,17 @@ describe("read changesets from disc", () => {
     expect("never run this because we returned above").toBe(true);
   });
   it("should error on broken changeset?", async () => {
-    const changesetPath = f.find("broken-changeset");
+    const cwd = await testdir({
+      ".changeset/broken-changeset.md": `---
+
+"cool-package": minor
+
+--
+
+Everything is wrong`,
+    });
 
-    expect(read(changesetPath)).rejects.toThrow(
+    expect(read(cwd)).rejects.toThrow(
       outdent`could not parse changeset - invalid frontmatter: ---
 
       "cool-package": minor
@@ -98,21 +138,52 @@ describe("read changesets from disc", () => {
     );
   });
   it("should return no releases and empty summary when the changeset is empty", async () => {
-    const changesetPath = f.find("empty-changeset");
+    const cwd = await testdir({
+      ".changeset/empty-like-void.md": `---
+---`,
+    });
 
-    const changesets = await read(changesetPath);
+    const changesets = await read(cwd);
     expect(changesets).toEqual([
       {
         releases: [],
         summary: "",
-        id: "empty-changeset",
+        id: "empty-like-void",
       },
     ]);
   });
   it("should filter out ignored changesets", async () => {
-    const changesetPath = f.find("ignored-changeset");
-
-    const changesets = await read(changesetPath);
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+      ".changeset/changesets-are-beautiful.md": `---
+"pkg-a": minor
+---
+
+Nice simple summary, much wow
+`,
+      ".changeset/.ignored-temporarily.md": `---
+"pkg-b": minor
+---
+
+Awesome feature, hidden behind a feature flag
+`,
+    });
+
+    const changesets = await read(cwd);
     expect(changesets).toEqual([
       {
         releases: [{ name: "pkg-a", type: "minor" }],
@@ -121,4 +192,28 @@ describe("read changesets from disc", () => {
       },
     ]);
   });
+
+  it("should read an old changeset", async () => {
+    const cwd = await testdir({
+      ".changeset/basic-changeset/changes.json": JSON.stringify({
+        releases: [
+          {
+            name: "cool-package",
+            type: "minor",
+          },
+        ],
+        dependents: [],
+      }),
+      ".changeset/basic-changeset/changes.md": `Nice simple summary`,
+    });
+
+    const changesets = await read(cwd);
+    expect(changesets).toEqual([
+      {
+        releases: [{ name: "cool-package", type: "minor" }],
+        summary: "Nice simple summary",
+        id: "basic-changeset",
+      },
+    ]);
+  });
 });
diff --git a/packages/release-utils/package.json b/packages/release-utils/package.json
index fb9f2a773..d6b7f45a6 100644
--- a/packages/release-utils/package.json
+++ b/packages/release-utils/package.json
@@ -19,7 +19,6 @@
     "@changesets/git": "*",
     "@changesets/test-utils": "*",
     "@changesets/write": "*",
-    "file-url": "^3.0.0",
-    "fixturez": "^1.1.0"
+    "file-url": "^3.0.0"
   }
 }
diff --git a/packages/release-utils/src/run.test.ts b/packages/release-utils/src/run.test.ts
index 4539f1a34..8b9aa2c60 100644
--- a/packages/release-utils/src/run.test.ts
+++ b/packages/release-utils/src/run.test.ts
@@ -1,17 +1,14 @@
 import { add, commit } from "@changesets/git";
-import { silenceLogsInBlock } from "@changesets/test-utils";
+import { silenceLogsInBlock, tempdir, testdir } from "@changesets/test-utils";
 import { Changeset } from "@changesets/types";
 import writeChangeset from "@changesets/write";
 import fileUrl from "file-url";
-import fixturez from "fixturez";
 import fs from "fs-extra";
 import path from "path";
 import spawn from "spawndamnit";
 import { getCurrentBranch } from "./gitUtils";
 import { runPublish, runVersion } from "./run";
 
-let f = fixturez(__dirname);
-
 const linkNodeModules = async (cwd: string) => {
   await fs.symlink(
     path.join(__dirname, "..", "..", "..", "node_modules"),
@@ -37,7 +34,7 @@ async function setupRepoAndClone(cwd: string) {
   const mainBranch = await getCurrentBranch(cwd);
 
   // Make a 1-commit-deep shallow clone of this repo
-  let clone = f.temp();
+  let clone = tempdir();
   await spawn(
     "git",
     // Note: a file:// URL is needed in order to make a shallow clone of
@@ -53,7 +50,24 @@ async function setupRepoAndClone(cwd: string) {
 
 describe("version", () => {
   it("returns the right changed packages and pushes to the remote", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+      ".changeset/config.json": JSON.stringify({}),
+    });
 
     await writeChangesets(
       [
@@ -98,8 +112,7 @@ describe("version", () => {
         \\"dependencies\\": {
           \\"pkg-b\\": \\"1.1.0\\"
         }
-      }
-      "
+      }"
     `);
 
     expect(
@@ -111,8 +124,7 @@ describe("version", () => {
       "{
         \\"name\\": \\"pkg-b\\",
         \\"version\\": \\"1.1.0\\"
-      }
-      "
+      }"
     `);
     expect(
       await fs.readFile(
@@ -161,7 +173,28 @@ describe("version", () => {
   });
 
   it("only includes bumped packages in the returned changed packages", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify(
+        {
+          name: "pkg-b",
+          version: "1.0.0",
+        },
+        null,
+        2
+      ),
+      ".changeset/config.json": JSON.stringify({}),
+    });
 
     await writeChangesets(
       [
@@ -202,8 +235,7 @@ describe("version", () => {
         \\"dependencies\\": {
           \\"pkg-b\\": \\"1.0.0\\"
         }
-      }
-      "
+      }"
     `);
 
     expect(
@@ -215,8 +247,7 @@ describe("version", () => {
       "{
         \\"name\\": \\"pkg-b\\",
         \\"version\\": \\"1.0.0\\"
-      }
-      "
+      }"
     `);
 
     expect(
@@ -251,14 +282,33 @@ describe("version", () => {
   });
 
   it("doesn't include ignored package that got a dependency update in returned versions", async () => {
-    let cwd = f.copy("ignored-package");
+    let cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+      ".changeset/config.json": JSON.stringify({
+        ignore: ["pkg-a"],
+      }),
+    });
 
     await writeChangesets(
       [
         {
           releases: [
             {
-              name: "ignored-package-pkg-b",
+              name: "pkg-b",
               type: "minor",
             },
           ],
@@ -278,7 +328,7 @@ describe("version", () => {
     expect(changedPackages).toEqual([
       {
         dir: path.join(clone, "packages", "pkg-b"),
-        packageJson: { name: "ignored-package-pkg-b", version: "1.1.0" },
+        packageJson: { name: "pkg-b", version: "1.1.0" },
       },
     ]);
   });
@@ -286,7 +336,13 @@ describe("version", () => {
 
 describe("publish", () => {
   test("single package repo", async () => {
-    let cwd = f.copy("single-package");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        name: "single-package",
+        version: "1.0.0",
+      }),
+    });
 
     const { clone } = await setupRepoAndClone(cwd);
 
@@ -305,7 +361,24 @@ describe("publish", () => {
     expect(tagsResult.stdout.toString("utf8").trim()).toEqual("v1.0.0");
   });
   test("multi package repo", async () => {
-    let cwd = f.copy("simple-project");
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+        dependencies: {
+          "pkg-b": "1.0.0",
+        },
+      }),
+      "packages/pkg-b/package.json": JSON.stringify({
+        name: "pkg-b",
+        version: "1.0.0",
+      }),
+      ".changeset/config.json": JSON.stringify({}),
+    });
 
     const { clone } = await setupRepoAndClone(cwd);
 
diff --git a/packages/test-utils/CHANGELOG.md b/packages/test-utils/CHANGELOG.md
deleted file mode 100644
index 30d62995d..000000000
--- a/packages/test-utils/CHANGELOG.md
+++ /dev/null
@@ -1,45 +0,0 @@
-# @changesets/test-utils
-
-## 0.0.5
-
-### Patch Changes
-
-- [`1706fb7`](https://github.com/changesets/changesets/commit/1706fb751ecc2f5a792c42f467b2063078d58716) [#321](https://github.com/changesets/changesets/pull/321) Thanks [@mitchellhamilton](https://github.com/mitchellhamilton)! - Fix TypeScript declarations
-
-- Updated dependencies [[`1706fb7`](https://github.com/changesets/changesets/commit/1706fb751ecc2f5a792c42f467b2063078d58716)]:
-  - @changesets/logger@0.0.5
-
-## 0.0.4
-
-### Patch Changes
-
-- [`04ddfd7`](https://github.com/changesets/changesets/commit/04ddfd7c3acbfb84ef9c92873fe7f9dea1f5145c) [#305](https://github.com/changesets/changesets/pull/305) Thanks [@Noviny](https://github.com/Noviny)! - Add link to changelog in readme
-
-- Updated dependencies [[`04ddfd7`](https://github.com/changesets/changesets/commit/04ddfd7c3acbfb84ef9c92873fe7f9dea1f5145c)]:
-  - @changesets/logger@0.0.4
-
-## 0.0.3
-
-### Patch Changes
-
-- [`9cd1eaf`](https://github.com/changesets/changesets/commit/9cd1eafc1620894a39fe10d3e393ad8f812df53a) [#214](https://github.com/changesets/changesets/pull/214) Thanks [@Noviny](https://github.com/Noviny)! - Remove unused dependencies
-- Updated dependencies [[`9cd1eaf`](https://github.com/changesets/changesets/commit/9cd1eafc1620894a39fe10d3e393ad8f812df53a)]:
-  - @changesets/logger@0.0.3
-
-## 0.0.2
-
-### Patch Changes
-
-- Updated dependencies [[`8f0a1ef`](https://github.com/changesets/changesets/commit/8f0a1ef327563512f471677ef0ca99d30da009c0)]:
-  - @changesets/types@0.4.0
-  - @changesets/logger@0.0.2
-
-## 0.0.1
-
-### Patch Changes
-
-- [`51a0d76`](https://github.com/changesets/changesets/commit/51a0d766c7064b4c6a9d1490593522c6fcd02929) [#182](https://github.com/changesets/changesets/pull/182) Thanks [@ajaymathur](https://github.com/ajaymathur)! - - Initial release of the package.
-
-- Updated dependencies [[`51a0d76`](https://github.com/changesets/changesets/commit/51a0d766c7064b4c6a9d1490593522c6fcd02929), [`a679b1d`](https://github.com/changesets/changesets/commit/a679b1dcdcb56652d31536e2d6326ba02a9dfe62)]:
-  - @changesets/logger@0.0.1
-  - @changesets/types@0.3.1
diff --git a/packages/write/package.json b/packages/write/package.json
index ff499b83a..d4d181b0c 100644
--- a/packages/write/package.json
+++ b/packages/write/package.json
@@ -15,6 +15,6 @@
   },
   "devDependencies": {
     "@changesets/parse": "*",
-    "fixturez": "^1.1.0"
+    "@changesets/test-utils": "*"
   }
 }
diff --git a/packages/write/src/index.test.ts b/packages/write/src/index.test.ts
index 86c017104..284403cdf 100644
--- a/packages/write/src/index.test.ts
+++ b/packages/write/src/index.test.ts
@@ -1,56 +1,76 @@
-import fixtures from "fixturez";
-
 import fs from "fs-extra";
 import path from "path";
 import parse from "@changesets/parse";
-import { Release } from "@changesets/types";
 import writeChangeset from "./";
 
 import humanId from "human-id";
-
-const f = fixtures(__dirname);
+import { testdir } from "@changesets/test-utils";
 
 jest.mock("human-id");
 
-const simpleChangeset: { summary: string; releases: Release[] } = {
-  summary: "This is a summary",
-  releases: [{ name: "pkg-a", type: "minor" }],
-};
-
-const emptyChangeset: { summary: string; releases: Release[] } = {
-  summary: "",
-  releases: [],
-};
-
 describe("simple project", () => {
-  let cwd: string;
-
-  beforeEach(async () => {
-    cwd = await f.copy("simple-project");
-  });
-
   it("should write a changeset", async () => {
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+    });
+
     const changesetID = "ascii";
     // @ts-ignore
     humanId.mockReturnValueOnce(changesetID);
 
-    await writeChangeset(simpleChangeset, cwd);
+    await writeChangeset(
+      {
+        summary: "This is a summary",
+        releases: [{ name: "pkg-a", type: "minor" }],
+      },
+      cwd
+    );
 
     const mdPath = path.join(cwd, ".changeset", `${changesetID}.md`);
     const mdContent = await fs.readFile(mdPath, "utf-8");
 
-    expect(parse(mdContent)).toEqual(simpleChangeset);
+    expect(parse(mdContent)).toEqual({
+      summary: "This is a summary",
+      releases: [{ name: "pkg-a", type: "minor" }],
+    });
   });
   it("should write an empty changeset", async () => {
+    const cwd = await testdir({
+      "package.json": JSON.stringify({
+        private: true,
+        workspaces: ["packages/*"],
+      }),
+      "packages/pkg-a/package.json": JSON.stringify({
+        name: "pkg-a",
+        version: "1.0.0",
+      }),
+    });
+
     const changesetID = "ascii";
     // @ts-ignore
     humanId.mockReturnValueOnce(changesetID);
 
-    await writeChangeset(emptyChangeset, cwd);
+    await writeChangeset(
+      {
+        summary: "",
+        releases: [],
+      },
+      cwd
+    );
 
     const mdPath = path.join(cwd, ".changeset", `${changesetID}.md`);
     const mdContent = await fs.readFile(mdPath, "utf-8");
 
-    expect(parse(mdContent)).toEqual(emptyChangeset);
+    expect(parse(mdContent)).toEqual({
+      summary: "",
+      releases: [],
+    });
   });
 });
diff --git a/packages/write/src/index.ts b/packages/write/src/index.ts
index 0fba55ac1..4328ff442 100644
--- a/packages/write/src/index.ts
+++ b/packages/write/src/index.ts
@@ -45,7 +45,7 @@ ${releases.map((release) => `"${release.name}": ${release.type}`).join("\n")}
 ${summary}
   `;
 
-  await fs.writeFile(
+  await fs.outputFile(
     newChangesetPath,
     // Prettier v3 returns a promise
     await prettierInstance.format(changesetContents, {
diff --git a/packages/test-utils/README.md b/scripts/test-utils/README.md
similarity index 68%
rename from packages/test-utils/README.md
rename to scripts/test-utils/README.md
index 1bae06a7e..b9f923aff 100644
--- a/packages/test-utils/README.md
+++ b/scripts/test-utils/README.md
@@ -1,7 +1,5 @@
 ## @changesets/test-utils
 
-[![View changelog](https://img.shields.io/badge/changelogs.xyz-Explore%20Changelog-brightgreen)](https://changelogs.xyz/@changesets/test-utils)
-
 > Utilities for testing @changesets/\* packages
 
 ### Utilities
diff --git a/packages/test-utils/package.json b/scripts/test-utils/package.json
similarity index 75%
rename from packages/test-utils/package.json
rename to scripts/test-utils/package.json
index 309752714..067b48d7e 100644
--- a/packages/test-utils/package.json
+++ b/scripts/test-utils/package.json
@@ -1,12 +1,15 @@
 {
   "name": "@changesets/test-utils",
   "version": "0.0.5",
+  "private": true,
   "description": "Utils for testing changesets packages",
   "main": "dist/test-utils.cjs.js",
   "module": "dist/test-utils.esm.js",
   "license": "MIT",
   "repository": "https://github.com/changesets/changesets/tree/main/packages/test-utils",
   "dependencies": {
-    "@changesets/logger": "^0.0.5"
+    "@changesets/logger": "^0.0.5",
+    "fixturez": "^1.1.0",
+    "fs-extra": "^7.0.1"
   }
 }
diff --git a/packages/test-utils/src/index.test.ts b/scripts/test-utils/src/index.test.ts
similarity index 100%
rename from packages/test-utils/src/index.test.ts
rename to scripts/test-utils/src/index.test.ts
diff --git a/packages/test-utils/src/index.ts b/scripts/test-utils/src/index.ts
similarity index 82%
rename from packages/test-utils/src/index.ts
rename to scripts/test-utils/src/index.ts
index 3e7ab08ea..da878a06b 100644
--- a/packages/test-utils/src/index.ts
+++ b/scripts/test-utils/src/index.ts
@@ -1,3 +1,7 @@
+import fixturez from "fixturez";
+import path from "path";
+import fs from "fs-extra";
+
 /**
  * Reason for eslint disable import/no-commonjs
  * Technically reassigning imports is not allowed and
@@ -81,3 +85,20 @@ export const temporarilySilenceLogs =
       dispose();
     }
   };
+
+let f = fixturez(__dirname);
+
+export interface Fixture extends Record<string, string> {}
+
+export async function testdir(dir: Fixture) {
+  const temp = f.temp();
+  await Promise.all(
+    Object.keys(dir).map(async (filename) => {
+      const fullPath = path.join(temp, filename);
+      await fs.outputFile(fullPath, dir[filename]);
+    })
+  );
+  return temp;
+}
+
+export const tempdir = f.temp;