public async Task AddPlayListAsyncShouldAddPlayList()
{
var newPlayList = new PlayList {
Name = "Test"
};
_musicBLMock.Setup(x => x.AddPlayListAsync(It.IsAny <PlayList>())).Returns(Task.FromResult <PlayList>(newPlayList));
var newMusicBL = new UploadedMusicBL(_musicBLMock.Object);
var result = await newMusicBL.AddPlayListAsync(newPlayList);
Assert.Equal(result, newPlayList);
_musicBLMock.Verify(x => x.AddPlayListAsync(It.IsAny <PlayList>()));
}
