diff --git a/test/metadata.test.js b/test/metadata.test.js
index d0a30f51..80490460 100644
--- a/test/metadata.test.js
+++ b/test/metadata.test.js
@@ -36,16 +36,34 @@ const globalConfig = {
   },
 };
 
-test.serial("should pass metadata code snippet", (t) => {
-  const config = assign({}, globalConfig, {});
+// Create a separate directory for each test so that the tests
+// can run in parallel
+test.cb.beforeEach((t) => {
+  createTestDirectory(outputDir, t.title, (err, directory) => {
+    if (err) return t.end(err);
+    t.context.directory = directory;
+    t.end();
+  });
+});
+
+test.cb.afterEach((t) => rimraf(t.context.directory, t.end));
+
+
+test.cb("should pass metadata code snippet", (t) => {
+  const config = assign({}, globalConfig, {
+    output: {
+      path: t.context.directory,
+      filename: "[id].metadata.js",
+    },
+  });
 
   webpack(config, (err) => {
     t.is(err, null);
 
-    fs.readdir(outputDir, (err, files) => {
+    fs.readdir(t.context.directory, (err, files) => {
       t.is(err, null);
       t.true(files.length > 0);
-      fs.readFile(path.resolve(outputDir, "reactIntlMessages.json"),
+      fs.readFile(path.resolve(t.context.directory, "reactIntlMessages.json"),
         function(err, data) {
           t.is(err, null);
           const text = data.toString();
@@ -59,8 +77,13 @@ test.serial("should pass metadata code snippet", (t) => {
   });
 });
 
-test.serial("should not throw error", (t) => {
-  const config = assign({}, globalConfig, {});
+test.cb("should not throw error", (t) => {
+  const config = assign({}, globalConfig, {
+    output: {
+      path: t.context.directory,
+      filename: "[id].metadata.js",
+    },
+  });
 
   webpack(config, (err, stats) => {
     t.is(err, null);
@@ -69,8 +92,12 @@ test.serial("should not throw error", (t) => {
   });
 });
 
-test.serial("should throw error", (t) => {
+test.cb("should throw error", (t) => {
   const config = assign({}, globalConfig, {
+    output: {
+      path: t.context.directory,
+      filename: "[id].metadata.js",
+    },
     entry: "./test/fixtures/metadataErr.js",
   });
 
@@ -81,8 +108,12 @@ test.serial("should throw error", (t) => {
   });
 });
 
-test.serial("should pass metadata code snippet ( cache version )", (t) => {
+test.cb("should pass metadata code snippet ( cache version )", (t) => {
   const config = assign({}, globalConfig, {
+    output: {
+      path: t.context.directory,
+      filename: "[id].metadata.js",
+    },
     module: {
       loaders: [
         {
@@ -105,10 +136,10 @@ test.serial("should pass metadata code snippet ( cache version )", (t) => {
   webpack(config, (err) => {
     t.is(err, null);
 
-    fs.readdir(outputDir, (err, files) => {
+    fs.readdir(t.context.directory, (err, files) => {
       t.is(err, null);
       t.true(files.length > 0);
-      fs.readFile(path.resolve(outputDir, "reactIntlMessages.json"),
+      fs.readFile(path.resolve(t.context.directory, "reactIntlMessages.json"),
         function(err, data) {
           t.is(err, null);
           const text = data.toString();