public void playAudioYellow()
 {
     AudioHandler audHandler = new AudioHandler ();
     Boolean played = audHandler.PlayAudio (Threat.yellow, Position.Above);
     Assert.AreEqual (played, true);
 }
 public void playAudioNoThreat()
 {
     AudioHandler audHandler = new AudioHandler ();
     Boolean played = audHandler.PlayAudio (Threat.none, Position.Above);
     Assert.AreEqual (played, false);
 }