public async Task Given_valid_sound_effect_tell_signalr() { // arrange var validSoundEffectName = "laugh"; var request = new SoundEffect(validSoundEffectName); // act await _handler.Handle(request, CancellationToken.None); // assert _mockTwitchHub.Verify(x => x.ReceiveSoundEffect(validSoundEffectName), Times.Once()); }