@Test
public void testGenerateFlowTableInstanceIdentifier() throws Exception {

    NodeConnectorRef ncRef = new NodeConnectorRef(
            InstanceIdentifier.builder(Nodes.class).child(Node.class).child(NodeConnector.class).build());
    InstanceIdentifier<Table> tableInsId = InstanceIdentifierUtils.generateFlowTableInstanceIdentifier(ncRef,
            new TableKey(NUM_ID_1));
    assertNotNull(tableInsId);
    assertEquals(NUM_ID_1, tableInsId.firstKeyOf(Table.class, TableKey.class).getId());
}