public void OrderCategoriesByDescription()
        {
            // Arrange
            var categories = new List <Category>();

            fixture.AddManyTo(categories);
            mocker.GetMock <ICategoryRepository>().Setup(c => c.GetAll()).Returns(categories.AsAsyncQueryable());
            sut = mocker.Create <GetAllCategoriesQuery>();
            // Act
            var results        = (sut.Execute().Result).ToList();
            var orderedResults = results.OrderBy(r => r.Description);

            Assert.Equal(orderedResults, results);
        }
        public void ReturnAllCategories()
        {
            var results = sut.Execute().Result;

            Assert.Single(results);
        }