@Test
public void shouldNotSetMessageId_onSendAckResponse() throws IOException, CoapException {

    initServer();
    udpMessaging.sendResponse(newCoapPacket(LOCAL_5683).mid(2).build(), newCoapPacket(LOCAL_5683).mid(2).ack(Code.C205_CONTENT).build(), TransportContext.NULL);
    assertSent(newCoapPacket(LOCAL_5683).mid(2).ack(Code.C205_CONTENT));
}