message: Fix MoreResources.md react link
  Link to React tests is broken. Replaced the value with an existing url
diff: @@ -22,7 +22,7 @@ you might want to check out.
  You will find a number of example test cases in the
  [`examples`](https://github.com/facebook/jest/tree/master/examples) folder on
  GitHub. You can also learn from the excellent tests used by the
  -[React](https://github.com/facebook/react/tree/master/src/renderers/__tests__),
  +[React](https://github.com/facebook/react/tree/master/packages/react/src/__tests__),
  [Relay](https://github.com/facebook/relay/tree/master/packages/react-relay/modern/__tests__),
  and
  [React Native](https://github.com/facebook/react-native/tree/master/Libraries/Animated/src/__tests__)
  