@Override
    public K8sPort port(String portId) {
        checkArgument(!Strings.isNullOrEmpty(portId), ERR_NULL_PORT_ID);
        return k8sNetworkStore.port(portId);
    }
@Test
    public void testGetPortById() {
        createBasicNetworks();
        assertNotNull("Port did not match", target.port(PORT_ID));
        assertNull("Port did not match", target.port(UNKNOWN_ID));
    }