New Post: Nullable SelectedID of the DropDownList has always a TRUE ModelState although the ID is Null

[Test]publicvoid DeleteListReleaseViewModel_ReleaseIsNotSelected_ReturnsIsNotValid()
        {new DeleteReleaseListViewModelValidator().ShouldHaveValidationErrorFor(x => x.SelectedId, (int?)null);
        }

        [Test]
        publicvoid DeleteListReleaseViewModel_ReleaseIsSelected_ReturnsIsValid()
        {new DeleteReleaseListViewModelValidator().ShouldNotHaveValidationErrorFor(x => x.SelectedId, new DeleteReleaseListViewModel() { SelectedId = 1 });
        }