Created by: favna
Resolves #8637 (closed).
Tested locally with these steps:
cd packages/react-scriptsyarn link- In another project:
yarn link "react-scripts" - Running
SKIP_PREFLIGHT_CHECKS=true yarn test - Verifying that nothing changed from before symlinking modules
- Add
testMatchkey topackage.jsonJest config - Running
SKIP_PREFLIGHT_CHECKS=true yarn testagain - Verifying that only filed matching specified pattern are being included for testing
For further reasoning as to why this option should be added please refer to #8637 (closed).

