Import default babel-jest in jest.transform.js

Author: ankurkaushal

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

@@ -1,3 +1,5 @@
 const babelOptions = { presets: ['react-app'] };
 
-module.exports = require('babel-jest').createTransformer(babelOptions);
+const babelJest = require('babel-jest').default;
+
+module.exports = babelJest.createTransformer(babelOptions);