@Override
    public Set<NetworkAnomaly> findAnomalies() {
        return findLoop();
    }
@Test
    public void testFindLoops() {
        produceTopoDevices();
        produceTopoHosts();
        produceTopoLinks();
        produceFlowEntries();

        initMock();

        Set<NetworkAnomaly> loops = defaultCheckLoop.findAnomalies();
        assertThat(loops, hasSize(1));
    }