@Test
public void caches_the_eventizer_instances() {

    DynamicEventizerProvider provider = new DynamicEventizerProvider();
    Eventizer<DummyListener> eventizer1 = provider.getEventizerForType(DummyListener.class);
    Eventizer<DummyListener> eventizer2 = provider.getEventizerForType(DummyListener.class);
    assertThat(eventizer1).isSameAs(eventizer2);
}