public void MockCanEditDvd()
{
var repo = new DvdRepositoryMock();
int dvdId = 2;
string title = "An edited movie";
int releaseYear = 1999;
string directorName = "Jacob";
string ratingName = "PG";
string notes = "A note";
repo.Edit(dvdId, title, releaseYear, directorName, ratingName, notes);
var test = repo.GetAllDvd();
var editedDvd = repo.GetById(2);
Assert.AreEqual(2, editedDvd.DvdId);
Assert.AreEqual("An edited movie", editedDvd.Title);
Assert.AreEqual(1999, editedDvd.ReleaseYear);
Assert.AreEqual("Jacob", editedDvd.Director);
Assert.AreEqual("PG", editedDvd.Rating);
}