public void UpdateActorByIdEntityState_Should_Return_1_When_Actor_Exists_In_DB()
        {
            // Arrange
            int   id       = 1;
            Actor newActor = new Actor {
                ActorId = 1, FirstName = "Updated", LastName = "Actor", LastUpdate = DateTime.Now, FilmActor = new List <FilmActor>()
            };
            var counter = 0;

            // Act
            _mockSakilaContext.When(x => x.MarkAsModified(newActor)).Do(x => counter++);
            _mockSakilaContext.SaveChanges().Returns(1);
            int success = _actors.UpdateActorByIdEntityState(id, newActor);

            // Assert
            success.Should().Be(1);
        }