public static Criterion matchVlanId(VlanId vlanId) {
        return new VlanIdCriterion(vlanId);
    }
@Test
    public void testMatchVlanIdMethod() {
        Criterion matchVlanId = Criteria.matchVlanId(vlanId1);
        VlanIdCriterion vlanIdCriterion =
                checkAndConvert(matchVlanId,
                                Criterion.Type.VLAN_VID,
                                VlanIdCriterion.class);
        assertThat(vlanIdCriterion.vlanId(), is(equalTo(vlanId1)));
    }