public void FadeOutGroup()
{
InitAudio();
int result = SdlMixer.Mix_GroupChannel(1, 1);
result = SdlMixer.Mix_FadeOutGroup(1, 100);
Thread.Sleep(100);
//Console.WriteLine("ReserveChannels: " + result.ToString());
Assert.IsTrue(result == 1);
QuitAudio();
}