public async Task Administration_GetOrdersAsync()
        {
            // Arrange
            var controller = new AdministrationController(service);

            controller.Request       = new HttpRequestMessage();
            controller.Configuration = new HttpConfiguration();

            var orderID    = default(Int32?);
            var customerID = String.Empty;
            var employeeID = default(Int32?);
            var shipperID  = default(Int32?);

            // Act
            var result = await controller.GetOrders(orderID, customerID, employeeID, shipperID);

            // Assert
            var value = default(IComposedModelResponse <OrderSummaryViewModel>);

            result.TryGetContentValue(out value);

            Assert.IsNotNull(value.Model);
            Console.WriteLine("Model.Count: {0}", value.Model.Count());
        }