public void GetOriginalSongSearchByGenreTest()
        {
            var options = new DbContextOptionsBuilder <ApplicationDbContext>()
                          .UseInMemoryDatabase(databaseName: "InHarmonyTestControllerDB")
                          .Options;

            using (var context = new ApplicationDbContext(options))
            {
                context.Database.EnsureDeleted();
                context.Database.EnsureCreated();

                Repository         repository     = new Repository(context, _repositoryLogger);
                BusinessLogicClass logic          = new BusinessLogicClass(repository, _mapperClass, _repositoryLogger);
                SongController     songController = new SongController(logic, _songControllerLogger);

                // create a song with pop as genre
                var song = new Song {
                    Genre = "Pop"
                };

                repository.songs.Add(song);
                context.SaveChanges();

                // search for null
                var s = songController.GetOriginalSongSearchByGenre("Pop");

                Assert.NotEmpty(s.Result);
            }
        }