public void LayDanhSachTaiKhoan_TestStatusResponse() { Data_Test data_Test = new Data_Test(); var count = data_Test.DemSoLuongTaiKhoan(); //Act IHttpActionResult actionResult = controller.LayDanhSachTaiKhoan(); var actual_result = actionResult as OkNegotiatedContentResult <List <UserMasterDTO> >; //Assert Assert.AreEqual(count, actual_result.Content.Count); }