Summary:
Fixes breakage on https://circleci.com/gh/facebook/react-native/12763 after the upgrade of React
Explain the **motivation** for making this change. What existing problem does the pull request solve?
Jest preset has been upgraded so that requiring `React` capitalized can be possible
**Test plan (required)**
Couldn't reproduce it locally, we need to see if Circle passes.
Closes https://github.com/facebook/react-native/pull/10749
Differential Revision: D4132150
Pulled By: bestander
fbshipit-source-id: e41fb95b6677113fc6a3bf8bbce9247f59aa81dd
Christoph Pojer
Konstantin Raev
kentaromiura
David Aurelio
Cristian Carlesso