Summary:
Jest will now exclude undefined props from snapshots (https://github.com/facebook/jest/pull/6162). Updating the snapshots should fix the current `test_javascript` failures.
Circle CI
[INTERNAL][MINOR][Snapshots] - Update snapshots
Closes https://github.com/facebook/react-native/pull/19414
Differential Revision: D8125193
Pulled By: hramos
fbshipit-source-id: db8dcfcd8afbf9d6256f83c6e922680a7872d776