public async void TestSpeakSentence()
        {
            var context = new MockContext <IPlayAudio>();

            context.Arrange(m => m.PlayAudioAsync("id", The <PlayAudioData> .Is(d => IsValidSpeakSentenceData(d)), null))
            .Returns(Task.FromResult(0));
            var instance = new PlayAudio(context);
            await instance.SpeakSentenceAsync("id", "Hello");
        }