Add feature facebook#3116 extended Jest config (facebook#3802)

Author: garmeeh

packages/react-scripts/scripts/utils/createJestConfig.js

@@ -61,6 +61,8 @@ module.exports = (resolve, rootDir, isEjecting) => {
     'collectCoverageFrom',
     'coverageReporters',
     'coverageThreshold',
+    'resetMocks',
+    'resetModules',
     'snapshotSerializers',
     'watchPathIgnorePatterns',
   ];