Remove babelrc dependency for kitchensink test (facebook#5098)

* add kitchensink-eject to local-test

* add jest transform

Closes facebook#5095

Author: Jack Zhao

fixtures/kitchensink/jest.integration.config.js

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

fixtures/kitchensink/jest.transform.js

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