Add test fixtures for importing config files

Author: andyhot

test/fixtures/config/input.js

@@ -0,0 +1,20 @@
+module.exports = {
+  app: {
+    'app.js': 'import config from "./config/environment";',
+    utils: {
+      'first.js': 'import config from "my-app/config/environment";',
+      'second.js': 'import config from "../config/environment";'
+    }
+  },
+  config: {
+    'environment.js': '"ENV"'
+  },
+  tests: {
+    unit: {
+      utils: {
+        'first-test.js': 'import config from "../../../config/environment";',
+        'second-test.js': 'import config from "my-app/config/environment";'
+      }
+    }
+  }
+};

test/fixtures/config/output.js

@@ -0,0 +1,18 @@
+module.exports = {
+  src: {
+    'main.js': 'import config from "../config/environment";',
+    utils: {
+      first: {
+        'util.js': 'import config from "my-app/config/environment";',
+        'util-unit-test.js': 'import config from "../../../config/environment";'
+      },
+      second: {
+        'util.js': 'import config from "../../../config/environment";',
+        'util-unit-test.js': 'import config from "my-app/config/environment";'
+      }
+    }
+  },
+  config: {
+    'environment.js': '"ENV"'
+  }
+};