public void FadeInChannel()
{
InitAudio();
int result = SdlMixer.Mix_GroupChannels(0, 7, 1);
IntPtr chunkPtr = SdlMixer.Mix_LoadWAV("test.wav");
result = SdlMixer.Mix_FadeInChannel(1, chunkPtr, -1, 0);
Thread.Sleep(500);
Console.WriteLine("PlayChannel: " + result.ToString());
Assert.IsTrue(result != -1);
QuitAudio();
}