public void ReturnErrorMessageIfUserNameNotFound()
        {
            // Arrange

            // Act
            var result  = sutUserNameNotFound.ConfirmUserName(email);
            var message = ((AuthenticationResult)((NotFoundObjectResult)result.Result).Value).Message;

            // Assert
            Assert.That(result, Is.TypeOf <Task <ActionResult> >());
            Assert.That(message, Is.EqualTo("Status Code 404: No User is using this Email"));
        }
        public void ReturnUserName()
        {
            // Arrange

            // Act
            var result   = sut.ConfirmUserName(email);
            var message  = ((AuthenticationResult)((OkObjectResult)result.Result).Value).Message;
            var username = ((AuthenticationResult)((OkObjectResult)result.Result).Value).UserName;

            // Assert
            Assert.That(result, Is.TypeOf <Task <ActionResult> >());
            Assert.That(message, Is.EqualTo("Status Code 200: User Name Confirmed"));
            Assert.That(username, Is.EqualTo(userName));
        }