test(config-lerna-scopes): reuse npm bootstrap to simplify tests

@commitlint/config-lerna-scopes/fixtures/basic/package.json

@@ -2,6 +2,7 @@
   "name": "basic",
   "version": "1.0.0",
   "devDependencies": {
-    "lerna": "^4.0.0"
+    "lerna": "^4.0.0",
+    "@lerna/project": "^4.0.0"
   }
 }

@commitlint/config-lerna-scopes/fixtures/empty/package.json

@@ -2,6 +2,7 @@
   "name": "empty",
   "version": "1.0.0",
   "devDependencies": {
-    "lerna": "^4.0.0"
+    "lerna": "^4.0.0",
+    "@lerna/project": "^4.0.0"
   }
 }

@commitlint/config-lerna-scopes/fixtures/modules/package.json

@@ -2,6 +2,7 @@
   "name": "basic",
   "version": "1.0.0",
   "devDependencies": {
-    "lerna": "^4.0.0"
+    "lerna": "^4.0.0",
+    "@lerna/project": "^4.0.0"
   }
 }

@commitlint/config-lerna-scopes/fixtures/scoped/package.json

@@ -2,6 +2,7 @@
   "name": "scoped",
   "version": "1.0.0",
   "devDependencies": {
-    "lerna": "^4.0.0"
+    "lerna": "^4.0.0",
+    "@lerna/project": "^4.0.0"
   }
 }

@commitlint/config-lerna-scopes/fixtures/yarn/package.json

@@ -2,7 +2,8 @@
   "name": "yarn",
   "version": "1.0.0",
   "devDependencies": {
-    "lerna": "^4.0.0"
+    "lerna": "^4.0.0",
+    "@lerna/project": "^4.0.0"
   },
   "workspaces": [
     "@packages/*"

@commitlint/config-lerna-scopes/index.test.js

@@ -1,5 +1,5 @@
 import Path from 'path';
-import {lerna} from '@commitlint/test';
+import {npm} from '@commitlint/test';
 import config from '.';
 
 test('exports rules key', () => {
@@ -47,30 +47,30 @@ test('scope-enum has expected modifier', async () => {
 
 test('returns empty value for empty lerna repository', async () => {
 	const {'scope-enum': fn} = config.rules;
-	const cwd = await lerna.bootstrap('empty', __dirname);
+	const cwd = await npm.bootstrap('fixtures/empty', __dirname);
 	const [, , value] = await fn({cwd});
 	expect(value).toEqual([]);
 });
 
 test('returns expected value for basic lerna repository', async () => {
 	const {'scope-enum': fn} = config.rules;
-	const cwd = await lerna.bootstrap('basic', __dirname);
+	const cwd = await npm.bootstrap('fixtures/basic', __dirname);
 
 	const [, , value] = await fn({cwd});
 	expect(value).toEqual(['a', 'b']);
 });
 
 test('returns expected value for lerna repository containing modules', async () => {
 	const {'scope-enum': fn} = config.rules;
-	const cwd = await lerna.bootstrap('modules', __dirname);
+	const cwd = await npm.bootstrap('fixtures/modules', __dirname);
 
 	const [, , value] = await fn({cwd});
 	expect(value).toEqual(['a']);
 });
 
 test('returns expected value for scoped lerna repository', async () => {
 	const {'scope-enum': fn} = config.rules;
-	const cwd = await lerna.bootstrap('scoped', __dirname);
+	const cwd = await npm.bootstrap('fixtures/scoped', __dirname);
 
 	const [, , value] = await fn({cwd});
 	expect(value).toEqual(['a', 'b']);

@packages/test/src/index.ts

@@ -1,6 +1,5 @@
 import * as fix from './fix';
 import * as git from './git';
-import * as lerna from './lerna';
 import * as npm from './npm';
 
-export {fix, git, lerna, npm};
+export {fix, git, npm};