public void AddTripStep1_ReturnsViewResult()
        {
            var accessor   = TestHelperLibrary.SetUpHttpContextAccessor();
            var unitOfWork = TestHelperLibrary.SetupUnitOfWork();
            var controller = new VacationController(unitOfWork.Object, accessor.Object);

            var result = controller.AddTripStep1() as ViewResult;

            Assert.IsType <ViewResult>(result);
        }