@Test
public void testGetActiveConsumers() {

    List<ConsumerContainer.ConsumerHolder> consumerHolderList = consumerContainer.consumerHolders;
    consumerHolderList.get(0).active = true;
    consumerHolderList.get(1).active = true;
    List<ConsumerContainer.ConsumerHolder> consumers = consumerContainer.getActiveConsumers();
    Assert.assertEquals(2, consumers.size());
}