public void WhenNumerIsSpecfied_ThenSet()
        {
            var sut = new SonosTrackNumber(5);

            Assert.That(sut.Value, Is.EqualTo(5));
        }
 public async Task SeekTrackAsync(SonosTrackNumber trackNumber)
 {
     await _avTransportService.SeekAsync(new SeekUnit(SeekUnitType.TrackNumber), trackNumber.ToString());
 }
        public void WhenNumberNotSpecfied_ThenSetToOne()
        {
            var sut = new SonosTrackNumber();

            Assert.That(sut.Value, Is.EqualTo(1));
        }