public void StudentDeleteIspitComfirmed()
        {
            StudentController sk = new StudentController();

            Mock <UnitOfWork>      mockUnit  = new Mock <UnitOfWork>(new Zadatak2Context());
            Mock <IspitRepository> mockIspit = new Mock <IspitRepository>(new Zadatak2Context());

            mockIspit.Setup(x => x.FindIspit(1, 1)).Returns(new Ispit
            {
                BI        = 1,
                PredmetId = 1,
                Oena      = 7
            });
            mockIspit.Setup(x => x.Delete(new Ispit
            {
                BI        = 1,
                PredmetId = 1,
                Oena      = 7
            }));
            mockUnit.Setup(x => x.SaveChanges());

            sk.UnitOfWork        = mockUnit.Object;
            sk.UnitOfWork.Ispiti = mockIspit.Object;
            ViewResult rezultat = sk.DeleteIspitConfirmed(1, 1) as ViewResult;

            mockIspit.Verify((x => x.FindIspit(1, 1)), Times.Once());
            mockIspit.Verify((x => x.Delete(It.IsAny <Ispit>())), Times.Once());
            mockUnit.Verify((x => x.SaveChanges()), Times.Once());
        }