public async Task AddNextMovie()
        {
            var options = new DbContextOptionsBuilder <MoviesContext>()
                          .UseInMemoryDatabase(databaseName: "MRAddNextMovie")
                          .Options;

            addNextMovies(options);

            using (var context = new MoviesContext(options))
            {
                SQLRepository controller = new SQLRepository(context);

                await controller.AddNextMovie(1, 20, 1);

                List <NextMovie> nextMovies = controller.GetNextMoviesForMovieById(1);

                Assert.Equal(3, nextMovies.Count);
                Assert.True(nextMovies[0].Score >= nextMovies[1].Score);
            }
        }