@Test
public void non_confirmable_message_received() {

    CoapMessage in = new CoapMessage(1, MessageType.NON_CONFIRMABLE, 1, 1234, "token".getBytes(), null,
            "payload".getBytes());
    filter.messageReceived(session, in, readController);
    // verify
    verify(readController).callReadNextFilter(in);
    Mockito.verifyNoMoreInteractions(readController);
}