Remove babelrc dependency for kitchensink test (#5098)

* add kitchensink-eject to local-test

* add jest transform

Closes #5095

Author: Jack Zhao

packages/react-scripts/fixtures/kitchensink/jest.integration.config.js

@@ -1,4 +1,5 @@
 module.exports = {
   testEnvironment: 'node',
   testMatch: ['**/integration/*.test.js'],
+  transform: { '^.+\\.js$': './jest.transform.js' },
 };

packages/react-scripts/fixtures/kitchensink/jest.transform.js

@@ -0,0 +1,3 @@
+const babelOptions = { presets: ['react-app'] };
+
+module.exports = require('babel-jest').createTransformer(babelOptions);

tasks/e2e-kitchensink.sh

@@ -146,10 +146,6 @@ PORT=3001 \
   nohup yarn start &>$tmp_server_log &
 grep -q 'You can now view' <(tail -f $tmp_server_log)
 
-# We haven't ejected yet which means there's no `babel` key
-# in package.json yet
-echo '{"presets":["react-app"]}' > .babelrc
-
 # Test "development" environment
 E2E_URL="http://localhost:3001" \
   REACT_APP_SHELL_ENV_MESSAGE=fromtheshell \

tasks/local-test.sh

@@ -10,7 +10,7 @@ function print_help {
   echo "OPTIONS:"
   echo "  --node-version <version>  the node version to use while testing [8]"
   echo "  --git-branch <branch>     the git branch to checkout for testing [the current one]"
-  echo "  --test-suite <suite>      which test suite to use ('simple', installs', 'kitchensink', 'all') ['all']"
+  echo "  --test-suite <suite>      which test suite to use ('simple', installs', 'kitchensink', 'kitchensink-eject', 'all') ['all']"
   echo "  --interactive             gain a bash shell after the test run"
   echo "  --help                    print this message and exit"
   echo ""
@@ -49,7 +49,7 @@ while [ "$1" != "" ]; do
   shift
 done
 
-test_command="./tasks/e2e-simple.sh && ./tasks/e2e-kitchensink.sh && ./tasks/e2e-installs.sh"
+test_command="./tasks/e2e-simple.sh && ./tasks/e2e-kitchensink.sh && ./tasks/e2e-kitchensink-eject.sh && ./tasks/e2e-installs.sh"
 case ${test_suite} in
   "all")
     ;;
@@ -59,6 +59,9 @@ case ${test_suite} in
   "kitchensink")
     test_command="./tasks/e2e-kitchensink.sh"
     ;;
+  "kitchensink-eject")
+    test_command="./tasks/e2e-kitchensink-eject.sh"
+    ;;
   "installs")
     test_command="./tasks/e2e-installs.sh"
     ;;