update script for test

tests/run-tests.js

@@ -21,7 +21,7 @@ console.log('Starting development server for e2e tests...');
 startServer.stdout.on('data', (data) => {
   // eslint-disable-next-line
   console.log(data.toString());
-  if (data.toString().indexOf('The app is running at') >= 0 ||
+  if (data.toString().indexOf('Compiled successfully') >= 0 ||
       data.toString().indexOf('Compiled with warnings') >= 0) {
     // eslint-disable-next-line
     console.log('Development server is started, ready to run tests.');