@Test
public void testGenerateTopologyInstanceIdentifier() throws Exception {

    InstanceIdentifier<Topology> topologyInsId = InstanceIdentifierUtils
            .generateTopologyInstanceIdentifier(STR_ID_1);
    assertNotNull(topologyInsId);
    assertEquals(STR_ID_1, topologyInsId.firstKeyOf(Topology.class, TopologyKey.class).getTopologyId().getValue());
}