public async Task AddOrderAsyncTest()
{
AddOrderModel addOrderModel = CreateAddOrderModel();
DefaultResponseModel expected = CreateDefaultResponseModel();
SetupOrderServiceAddAsyncMock(addOrderModel, expected);
IActionResult actual = await orderApiController.Add(addOrderModel);
DefaultResponseModel actualValue = (DefaultResponseModel)(actual as JsonResult).Value;
Assert.AreEqual(actualValue.Message, expected.Message);
}