public void GetArtistSongTest()
{
Assert.AreEqual("Enrique Iglesias", SongInfo.GetArtistSong(path));
Assert.AreEqual("Margaret Heartbeat", SongInfo.GetArtistSong(path4));
Assert.AreEqual("Enrique Iglesias", SongInfo.GetArtistsSong(path));
Assert.IsNull(SongInfo.GetArtistSong(path2));
Assert.IsNull(SongInfo.GetArtistsSong(path2));
}