public void SetErrorMessage_ShouldSaveMessageUsingErrorKey()
        {
            _sessionBasedMessageManager.SetErrorMessage(ErrorMessage);

            Assert.AreEqual(ErrorMessage, HttpContext.Current.Session[ErrorKey]);
        }
        public void SetErrorMessage_ShouldSaveMessageUsingErrorKey()
        {
            _sessionBasedMessageManager.SetErrorMessage(ErrorMessage);

            Assert.Equal(ErrorMessage, _httpContextWrapper.GetSessionItem(ErrorKey));
        }