public void Play_ClickTest()
{
Player_Accessor target = new Player_Accessor();
object sender = new Button();
RoutedEventArgs e = null;
target._pausePlayTicker = null;
Assert.AreEqual(null, target._pausePlayTicker);
target.Play_Click(sender, e);
Assert.IsTrue(target._pausePlayTicker is ManualResetEvent);
}