assertTrue(messageHandler.process(new StopGrinderMessage()));
messageDispatcher.send(new StopGrinderMessage());
  public void testSendNotification() throws Exception {    final Monitor myMonitor = new Monitor();    final ConsoleListener listener = new ConsoleListener(myMonitor, m_logger);    final MessageHandler messageHandler = listener.getMessageHandler();    final WaitForNotification notified = new WaitForNotification(myMonitor);    assertTrue(messageHandler.process(new StopGrinderMessage()));    assertTrue(notified.wasNotified());  }