Link to local packages after ejecting

Author: gaearon

tasks/e2e.sh

@@ -142,9 +142,15 @@ npm start -- --smoke-test
 # Finally, let's check that everything still works after ejecting.
 # ******************************************************************************
 
-# Eject
+# Eject...
 echo yes | npm run eject
 
+# ...but still link to the local packages
+npm link $root_path/packages/babel-preset-react-app
+npm link $root_path/packages/eslint-config-react-app
+npm link $root_path/packages/react-dev-utils
+npm link $root_path/packages/react-scripts
+
 # Test the build
 npm run build
 # Check for expected output