public static void TestGetStarred2Async()
            {
                var dbConnection = OpenSqliteDatabase();

                var dbContextOptionsBuilder = new DbContextOptionsBuilder <MediaInfoContext>()
                                              .DisableClientSideEvaluation()
                                              .UseSqlite(dbConnection);

                using (var dbContext = new MediaInfoContext(dbContextOptionsBuilder.Options))
                {
                    var random     = new RandomPopulator(dbContext);
                    var user       = random.AddUser();
                    var library    = random.AddLibrary();
                    var directory  = random.AddDirectory(library);
                    var trackFile  = random.AddFile(directory);
                    var genre      = random.AddGenre();
                    var artist     = random.AddArtist();
                    var album      = random.AddAlbum(artist);
                    var track      = random.AddTrack(trackFile, artist, album, genre: genre);
                    var artistStar = random.AddArtistStar(artist, user);
                    var albumStar  = random.AddAlbumStar(album, user);
                    var trackStar  = random.AddTrackStar(track, user);
                    dbContext.SaveChanges();

                    var result = RestApiQueries.GetStarred2Async(dbContext, user.UserId, null, "opus", CancellationToken.None).GetAwaiter().GetResult();

                    Assert.NotNull(result);
                    // TODO
                }
            }
            public static void TestUnstarArtistAsync()
            {
                var dbConnection = OpenSqliteDatabase();

                var dbContextOptionsBuilder = new DbContextOptionsBuilder <MediaInfoContext>()
                                              .DisableClientSideEvaluation()
                                              .UseSqlite(dbConnection);

                using (var dbContext = new MediaInfoContext(dbContextOptionsBuilder.Options))
                {
                    var random     = new RandomPopulator(dbContext);
                    var user       = random.AddUser();
                    var artist     = random.AddArtist();
                    var artistStar = random.AddArtistStar(artist, user);
                    dbContext.SaveChanges();

                    for (int i = 0; i < 2; ++i)
                    {
                        RestApiQueries.UnstarArtistAsync(dbContext, user.UserId, artist.ArtistId, CancellationToken.None).GetAwaiter().GetResult();
                        dbContext.SaveChanges();

                        Assert.False(dbContext.ArtistStars.Any(s => s.ArtistId == artist.ArtistId && s.UserId == user.UserId));
                    }
                }
            }