public void slettBestilling_OK()
{
//Arrage
var SessionMock = new TestControllerBuilder();
var controller = new ClearSkiesController(new AirlineLogikk(new AirlineDALStub()));
SessionMock.InitializeController(controller);
controller.Session["LoggetInn"] = true;
//Act
var result = (RedirectToRouteResult)controller.slettBestilling(0);
//Assert
result.AssertActionRedirect().ToAction("AdministrerBestillinger");
}