public async Task PlayListGetAllAsync()
        {
            // Act
            var playLists = await _repo.GetAllAsync();

            // Assert
            Assert.Single(playLists);
        }
        public async Task DotMemoryUnitTest()
        {
            var repo = new PlaylistRepository();

            await repo.GetAllAsync();

            dotMemory.Check(memory =>
                            Assert.Equal(1, memory.GetObjects(where => where.Type.Is <Playlist>()).ObjectsCount));

            GC.KeepAlive(repo); // prevent objects from GC if this is implied by test logic
        }