public async Task GetMusicPlaylistByIdAsyncShouldGetMusicPlaylist()
{
var musicPlaylistId = 1;
var newMusicPlaylist = new MusicPlaylist();
_musicBLMock.Setup(x => x.GetMusicPlaylistByIDAsync(It.IsAny <int>())).Returns(Task.FromResult <MusicPlaylist>(newMusicPlaylist));
var newMusicBL = new UploadedMusicBL(_musicBLMock.Object);
var result = await newMusicBL.GetMusicPlaylistByIDAsync(musicPlaylistId);
Assert.Equal(result, newMusicPlaylist);
_musicBLMock.Verify(x => x.GetMusicPlaylistByIDAsync(It.IsAny <int>()));
}
