public void Mixer_Empty_Silence()
{
// Arrange
var silence = new byte[_format.GetSamples()];
// Act
_mixer.WaitSync();
// Assert
CollectionAssert.AreEqual(silence, _mixtures[_first.Object]);
CollectionAssert.AreEqual(silence, _mixtures[_second.Object]);
CollectionAssert.AreEqual(silence, _mixtures[_third.Object]);
}