public async Task GetMusicPlaylistsAsyncShouldGetMusicPlaylists()
        {
            //var musicPlaylist = new MusicPlaylist();
            var musicPlaylists = new List <MusicPlaylist> {
                new MusicPlaylist()
                {
                    Id = 1
                }
            };

            _musicBLMock.Setup(x => x.GetMusicPlaylistsAsync());
            var newMusicBL = new UploadedMusicBL(_musicBLMock.Object);
            //var newMusicPlaylist = await newMusicBL.AddMusicPlaylistAsync(musicPlaylist);
            var result = await newMusicBL.GetMusicPlaylistsAsync();

            Assert.Equal(1, musicPlaylists.Count);
            _musicBLMock.Verify(x => x.GetMusicPlaylistsAsync());
        }