Fix tests

Author: nicolaserny

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

@@ -46,6 +46,9 @@ module.exports = (resolve, rootDir) => {
       '^react-native$': 'react-native-web',
     },
     globals: {
+      __TS_CONFIG__: {
+        module: 'commonjs',
+      },
       'ts-jest': {
         tsConfigFile: paths.appTsConfig,
       },