public void GetProductsTest()
        {
            //test NotFound data
            string            productName  = "Production test";
            IHttpActionResult actionResult = controller.Get(pagingModel, productName);
            var notFoundRes = actionResult as NotFoundResult;

            Assert.IsNotNull(notFoundRes);

            actionResult = controller.Get(pagingModel);
            var allData = actionResult as OkNegotiatedContentResult <List <Product> >;

            Assert.IsNotNull(allData);
            Assert.IsTrue(allData.Content.Any());
        }