public void Music_From_off_to_onn_test()
{
Reversi Test = new Reversi(new System.Windows.Forms.Form(), new System.Windows.Forms.Form());
GameBox.Program.music_OnOff = false;
Test.Bt_reversi_music(new System.Object(), EventArgs.Empty);
Assert.AreEqual(Program.music_OnOff, true);
Assert.AreNotEqual(Program.music_OnOff, false);
}