Fix React Native example

Author: tkrotoff

examples/ReactNative/jest.config.js

@@ -1,4 +1,6 @@
-const { defaults } = require('jest-config');
+//const { defaults } = require('jest-config');
+// FIXME See Export default config https://github.com/facebook/jest/issues/5943
+const defaults = require('jest-config/build/defaults').default;
 
 module.exports = {
   preset: 'jest-expo',

examples/ReactNative/package.json

@@ -15,9 +15,9 @@
     "clean:all": "rm -rf .expo && yarn clean && yarn clean:node_modules",
 
     "start": "react-native-scripts start",
-    "eject": "react-native-scripts eject",
     "android": "react-native-scripts android",
     "ios": "react-native-scripts ios",
+
     "test": "jest"
   },