def METHOD_NAME(self):
    loop = asyncio.get_event_loop()
    loop.run_until_complete(self.request.send(to_address="tcp://127.0.0.1:19000", msg_str="Test", timeout_ms=500))
    try:
        self.request.stop()
    except:
        self.fail("Stop should not raise erros.")
    self.assertFalse(self.request.running)