GetSkills.Controllers.ManageController.VerifyPhoneNumber C# (CSharp) Method

        public async Task<ActionResult> VerifyPhoneNumber(VerifyPhoneNumberViewModel model)
        {
            if (!ModelState.IsValid)
            {
                return View(model);
            }
            var result = await UserManager.ChangePhoneNumberAsync(User.Identity.GetUserId(), model.PhoneNumber, model.Code);
            if (result.Succeeded)
            {
                var users = await UserManager.FindByIdAsync(User.Identity.GetUserId());
                if (users != null)
                {
                    await SignInManager.SignInAsync(users, isPersistent: false, rememberBrowser: false);
                }
                return RedirectToAction("Index", new { Message = ManageMessageId.AddPhoneSuccess });
            }
            // If we got this far, something failed, redisplay form
            ModelState.AddModelError("", "Failed to verify phone");
            return View(model);
        }

        public void ManageController_VerifyPhoneNumber_Test02()
        {
            // Initialization
            ManageController ctl = new ManageController();
            VerifyPhoneNumberViewModel model = new VerifyPhoneNumberViewModel();

            // To test if it is null
            var result = ctl.VerifyPhoneNumber(model);
            Assert.IsNotNull(result);
        }