public void TestRead()
        {
            string input = messageA.ToString() + "\r\n" + messageB.ToString();

            using(var stringReader = new StringReader(input))
            using(var messageReader = new RawMessageTextReader(stringReader)) {
                var message = messageReader.Read();

                Assert.AreEqual(messageA, message);

                message = messageReader.Read();

                Assert.IsNull(message);
            }
        }