public void Aanwezigen_ReturnsAllAlphabeticallyOnLastName()
        {
            Session session = _dummyContext.Sessions.First(s => s.SessionId == 3);

            _mockSessionRepository.Setup(s => s.GetById(3)).Returns(session);
            var         result = Assert.IsType <ViewResult>(_sessionController.Aanwezigen(3));
            List <User> users  = Assert.IsType <List <User> >(result.Model);

            Assert.Equal(3, users.Count);
            Assert.Equal("Van De Woestyne", users.ElementAt(0).LastName);
            Assert.Equal("Van Kerkvoorde", users.ElementAt(1).LastName);
            Assert.Equal("Willem", users.ElementAt(2).LastName);
        }