    @Test
    public void test() {

        HazelcastSerializedBroadcaster hazelcastSerializedBroadcaster = spy(new HazelcastSerializedBroadcaster());
        ITopic topic = mock(ITopic.class);
        when(hazelcastSerializedBroadcaster.getTopic()).thenReturn(topic);
        Object message = new Object();
        hazelcastSerializedBroadcaster.outgoingBroadcast(message);
        verify(hazelcastSerializedBroadcaster,times(1)).getTopic();
        verify(topic,times(1)).publish(message);
    }