public void GetMovieById_WithManyMoviesInContext_ReturnsSingleMovie()
{
// ARRANGE
_mockMovieDbSet.Setup(m => m.Find(_movies.FirstOrDefault().Id)).Returns(_movies.FirstOrDefault());
var movieToFind = _movies.FirstOrDefault();
// ACT
var result = _dal.GetMovieById(movieToFind.Id);
// ASSERT
Assert.AreEqual(movieToFind, result);
}