anchor.diff:     */
     void onDone(bool success) {
       if (success) {
  -      notifyController('unittest-suite-success');
  +      _postMessage('unittest-suite-success');
         _receivePort.close();
       } else {
         _receivePort.close();
  
positive.code:    * compact_vm_config), can safely override this method to avoid printing extra
     * mesages in the console.
     */
    void notifyController(String message) {
      // In dart2js browser tests, the JavaScript-based test controller
      // intercepts calls to print and listens for "secret" messages.
      print(message);
  
negative.code:    */
    void onInit() {
      _receivePort = new ReceivePort();
      _postMessage('unittest-suite-wait-for-done');
    }
  
    /** Called as soon as the unittest framework starts running. */
  