public ClientChannelInfo findChannel(final String group, final String clientId) {
        ConsumerGroupInfo consumerGroupInfo = this.consumerTable.get(group);
        if (consumerGroupInfo != null) {
            return consumerGroupInfo.findChannel(clientId);
        }
        return null;
    }
@Test
    public void findChannelTest() {
        register();
        final ClientChannelInfo consumerManagerChannel = consumerManager.findChannel(GROUP, CLIENT_ID);
        Assertions.assertThat(consumerManagerChannel).isNotNull();
    }