public async Task PlayListController_CreatePlayList_Ok()
{
var db = _builder
.ConfigureInMemory()
.Build();
var repository = new Repository <Models.PlayList>(db);
var controller = new PlayListController(repository);
var newPlayList = A.New <Models.PlayList>();
var response = (await controller.PostPlayList(newPlayList))
.Result as OkObjectResult;
var values = Convert.ToInt32(response.Value);
values.Should().Be(newPlayList.PlaylistId);
}