public void LayDichVu_TestStatusResponse()
{
var dich_vu = data_test.LayThongTinDichVu();
var action_result = controller.LayDichVu(dich_vu.ID);
//act
var actual_result = action_result as OkNegotiatedContentResult <DichVuDTO>;
var expected_result = dich_vu.TenDichVu;
//assert
Assert.AreEqual(expected_result, actual_result.Content.TenDichVu);
}