public void Index_ReturnsViewResult_True()
        {
            ShipmentsController controller = new ShipmentsController();
            ViewResult          indexView  = controller.Index() as ViewResult;

            Assert.IsInstanceOfType(indexView, typeof(ViewResult));
        }
        public void Index_HasCorrectModelType_ShipmentList()
        {
            ShipmentsController controller = new ShipmentsController();
            ViewResult          indexView  = controller.Index() as ViewResult;
            var result = indexView.ViewData.Model;

            Assert.IsInstanceOfType(result, typeof(List <Shipment>));
        }