public void SerializeSingleTest()
        {
            FlashMessageModel message = new FlashMessageModel
            {
                IsHtml  = true,
                Message = "<p>test content</p> üñï€ode",
                Title   = "Title",
                Type    = FlashMessageType.Custom
            };

            // Serialize and deserialize.
            FlashMessage.Queue(message);
            var messages     = FlashMessage.GetQueued();
            var deserialized = messages[0];

            // Compare the results.
            Assert.Equal(message.Type, deserialized.Type);
            Assert.Equal(message.Title, deserialized.Title);
            Assert.Equal(message.Message, deserialized.Message);
            Assert.Equal(message.IsHtml, message.IsHtml);
        }