@Test
public void testChannelUID() {

    ChannelUID channelUID = new ChannelUID(THING_UID, CHANNEL_ID);
    assertEquals("binding:thing-type:thing:id", channelUID.toString());
    assertFalse(channelUID.isInGroup());
    assertEquals(CHANNEL_ID, channelUID.getId());
    assertEquals(CHANNEL_ID, channelUID.getIdWithoutGroup());
    assertNull(channelUID.getGroupId());
    assertEquals(THING_UID, channelUID.getThingUID());
}