message: testing stopping twice
  second stop is sooner than previous stop. should stop on the sooner
  one.
  addresses
diff: @@ -326,6 +326,16 @@ define(["helper/Basic", "Tone/source/Player", "helper/Offline",
  });
  });
  + it("stops playing if invoked with 'stop' at a sooner time", function(){
  + return Offline(function(){
  + var player = new Player(buffer);
  + player.toMaster();
  + player.start(0).stop(0.1).stop(0.05);
  + }, 0.3).then(function(buffer){
  + expect(buffer.getLastSoundTime()).to.be.closeTo(0.05, 0.02);
  + });
  + });
  +
  it("can be play for a specific duration passed in the 'start' method", function(){
  return Offline(function(){
  var player = new Player(buffer);
  