assertEquals(
        "One correct event should be delivered.", Lists.newArrayList(EVENT), catcher2.getEvents());

    bus.unregister(catcher1);
    bus.post(EVENT);

    assertEquals(
        "Shouldn't catch any more events when unregistered.", expectedEvents, catcher1.getEvents());

    assertEquals(
        "One correct event should be delivered.", Lists.newArrayList(EVENT), catcher2.getEvents());

    bus.unregister(catcher1);
    bus.post(EVENT);

    assertEquals(
        "Shouldn't catch any more events when unregistered.", expectedEvents, catcher1.getEvents());

          + '('
          + method.getParameterTypes()[0].getName()
          + ')'
          + " on subscriber "
          + context.getSubscriber()
          + " when dispatching event: "
          + context.getEvent();
    }
  }