New Post: How do you do a QueryFluent OrderBy with multiple fields?

        [TestMethod]
        public void GetCustomersAsync()
        {
            using (IDataContextAsync context = new NorthwindContext())
            using (IUnitOfWorkAsync unitOfWork = new UnitOfWork(context))
            {
                IRepositoryAsync<Customer> customerRepository = new Repository<Customer>(context, unitOfWork);
                ICustomerService customerService = new CustomerService(customerRepository);

                var asyncTask = customerService
                    .Query(x => x.Country == "USA")
                    .Include(x => x
                        .Orders
                        .Select(y => y.OrderDetails))
                    .OrderBy(x => x
                        .OrderBy(y => y.CompanyName)
                        .ThenBy(z => z.ContactName))
                    .SelectAsync();

                var customers = asyncTask.Result;

                Assert.IsTrue(customers.Count() > 1);
                Assert.IsFalse(customers.Count(x => x.Country == "USA") == 0);
            }
        }