    @Test
    public void instanceAware_whenTargetImplementsHazelcastInstanceAware() {

        HazelcastInstanceAware pojo = mock(HazelcastInstanceAware.class);
        HazelcastInstance hazelcastInstance = null;//Hazelcast.getDefaultInstance();
        PojoSlice slice = new PojoSlice(pojo);
        slice.onStart();

        verify(pojo).setHazelcastInstance(hazelcastInstance);
        verifyNoMoreInteractions(pojo);
    }