public void Invite_User()
        {
            MemoryUser user = new MemoryUser("adarsh");
            ApplicationUser applicationUser = new ApplicationUser()
            {
                Activated = true,
                Email = "*****@*****.**",
                FirstName = "Adarsh",
                LastName = "Vikraman",
                RoleId = 0,
                Id = "402bd590-fdc7-49ad-9728-40efbfe512ec",

            };
            var userContext = new UserInfo
            {
                UserId = user.Id,
                DisplayName = user.UserName,
                UserIdentifier = user.UserName,
                RoleName = Enum.GetName(typeof(UserRoles), 0)
            };
            var testTicket = new FormsAuthenticationTicket(
                1,
                user.Id,
                DateTime.Now,
                DateTime.Now.Add(FormsAuthentication.Timeout),
                false,
                userContext.ToString());

            userRepository.Setup(x => x.Get(It.IsAny<Expression<Func<ApplicationUser, bool>>>())).Returns(applicationUser);

            GoalController controller = new GoalController(goalService, metricService, focusService, supportService, updateService, commentService, userService, securityTokenService, supportInvitationService, goalStatusService, commentUserService, updateSupportService);

            principal.SetupGet(x => x.Identity.Name).Returns("adarsh");
            controllerContext.SetupGet(x => x.HttpContext.User).Returns(principal.Object);
            controllerContext.SetupGet(p => p.HttpContext.Request.IsAuthenticated).Returns(true);
            controller.ControllerContext = controllerContext.Object;

            contextBase.SetupGet(x => x.Request).Returns(httpRequest.Object);
            contextBase.SetupGet(x => x.Response).Returns(httpResponse.Object);
            genericPrincipal.Setup(x => x.Identity).Returns(identity.Object);

            contextBase.SetupGet(a => a.Response.Cookies).Returns(new HttpCookieCollection());

            var formsAuthentication = new DefaultFormsAuthentication();

            formsAuthentication.SetAuthCookie(contextBase.Object, testTicket);

            HttpCookie authCookie = contextBase.Object.Response.Cookies[FormsAuthentication.FormsCookieName];

            var ticket = formsAuthentication.Decrypt(authCookie.Value);
            var goalsetterUser = new SocialGoalUser(ticket);
            string[] userRoles = { goalsetterUser.RoleName };

            principal.Setup(x => x.Identity).Returns(goalsetterUser);

            var userId = "402bd590-fdc7-49ad-9728-40efbfe512ec";
            var id = 1;
            PartialViewResult rslt = controller.InviteUser(id, userId) as PartialViewResult;
            Assert.IsNotNull(rslt);
            Assert.IsInstanceOf(typeof(ApplicationUser),
              rslt.ViewData.Model, "Wrong View Model");
            var userView = rslt.ViewData.Model as ApplicationUser;
            Assert.AreEqual("*****@*****.**", userView.Email);
        }