@Test
public void testAddResponder() throws Exception {

   JgroupsMessageReceiver jgroupsMessageReceiver = new JgroupsMessageReceiver(generateRespondersMap(), new RemoteServiceHandlesStore());
   jgroupsMessageReceiver.addResponder(String.class, responder2);
   jgroupsMessageReceiver.receive(STRING_MSG);
   new Verifications() {{
      responder2.processMessage(STRING_MSG);
      times = 1;
      responder1.processMessage((Message) any);
      times = 0;
   }};
}