public int findSubscriptionDataCount(final String group) {
        ConsumerGroupInfo consumerGroupInfo = this.getConsumerGroupInfo(group);
        if (consumerGroupInfo != null) {
            return consumerGroupInfo.getSubscriptionTable().size();
        }

        return 0;
    }
@Test
    public void findSubscriptionDataCountTest() {
        register();
        final int count = consumerManager.findSubscriptionDataCount(GROUP);
        assert count > 0;
    }