public async Task Test_ListPlaylists_CurrentUserAddable()
        {
            var request = new PlaylistsRequest()
            {
                PlaylistType = PlaylistType.CurrentUserAddable
            };
            var items = await _client.ListPlaylistsAsync(request);

            Assert.IsNotNull(items?.Items);
            Assert.IsTrue(items?.Items.Count > 0);
        }
        public async Task Test_ListPlaylists_Featured()
        {
            var request = new PlaylistsRequest()
            {
                PlaylistType = PlaylistType.Featured
            };
            var items = await _client.ListPlaylistsAsync(request);

            Assert.IsNotNull(items?.Items);
            Assert.IsTrue(items?.Items.Count > 0);

            var more = await _client.ListPlaylistsAsync(items);

            Assert.IsNotNull(more?.Items);
            Assert.IsTrue(more?.Items.Count > 0);
        }
        public async Task Test_ListPlaylists_CategoriesPlaylists()
        {
            var request = new PlaylistsRequest()
            {
                PlaylistType = PlaylistType.Category,
                Value        = "mood"
            };
            var items = await _client.ListPlaylistsAsync(request);

            Assert.IsNotNull(items?.Items);
            Assert.IsTrue(items?.Items.Count > 0);

            var more = await _client.ListPlaylistsAsync(items);

            Assert.IsNotNull(more?.Items);
            Assert.IsTrue(more?.Items.Count > 0);
        }
        public async Task Test_ListPlaylists_Search()
        {
            var request = new PlaylistsRequest()
            {
                PlaylistType = PlaylistType.Search,
                Value        = "Chill"
            };
            var items = await _client.ListPlaylistsAsync(request);

            Assert.IsNotNull(items?.Items);
            Assert.IsTrue(items?.Items.Count > 0);

            var more = await _client.ListPlaylistsAsync(items);

            Assert.IsNotNull(more?.Items);
            Assert.IsTrue(more?.Items.Count > 0);
        }
        public async Task Test_ListPlaylists_User_Spotify()
        {
            var request = new PlaylistsRequest()
            {
                PlaylistType = PlaylistType.User,
                Value        = "spotify"
            };
            var items = await _client.ListPlaylistsAsync(request);

            Assert.IsNotNull(items?.Items);
            Assert.IsTrue(items?.Items.Count > 0);

            var more = await _client.ListPlaylistsAsync(items);

            Assert.IsNotNull(more?.Items);
            Assert.IsTrue(more?.Items.Count > 0);
        }