async def METHOD_NAME(self):
    self.mocksock.send(bytes.fromhex("6040ffff")) # CoAP ACK 2.00 that the server has not sent a request for
    try:
        response = await wait_for(self.mocksock.recv(), timeout=1)
        self.assertTrue(False, "Unknown ACK Response triggered something")
    except TimeoutError:
        pass