@Test public void eventBusNpeWithAnonInnerClassWaitingForObject() {
    Bus eb = new Bus(ThreadEnforcer.ANY);
    eb.register(new Object() {
      @Subscribe
      public void in(Object o) {
        called = true;
      }
    });
    int i = 0;
    while (i < REPS) {
      called = false;
      i++;
      eb.post(nextEvent(i));
      assertTrue("Failed at " + i, called);
    }
  }
Stress test of {@link Bus} against inner classes. The anon inner class tests
were broken when we switched to weak references.

@author Ray Ryan (ray@squareup.com)
otto/src/test/java/com/squareup/otto/EventBusInnerClassStressTest.java