public void Registrer_Post_Model_feil()
{
// Arrange
var SessionMock = new TestControllerBuilder();
var controller = new FlyplassController(new FlyplassBLL(new FlyplassStub()));
SessionMock.InitializeController(controller);
controller.Session["LoggetInn"] = true;
var innFlyplass = new Flyplass();
controller.ViewData.ModelState.AddModelError("flyplassKode", "Ikke oppgitt flyplassKode");
// Act
var actionResult = (ViewResult)controller.RegistrerFlyplass(innFlyplass);
// Assert
Assert.IsTrue(actionResult.ViewData.ModelState.Count == 1);
Assert.AreEqual(actionResult.ViewName, "~/Views/Error/Error.cshtml");
}