private void VerifyHeaderContentTitleLineMatchesByConversation(IConversation conversation, string titleLineExpected)
        {
            ConversationExporterHtml_Accessor exporter = new ConversationExporterHtml_Accessor(new MockFileSystem());
            string titleLineActual = exporter.CreateContentHeaderTitleLine(conversation);

            Assert.AreEqual(titleLineExpected, titleLineActual);
        }
        private void VerifyTitleMatchesExpected(IConversation conversation, string titleExpected)
        {
            ConversationExporterHtml_Accessor target = new ConversationExporterHtml_Accessor(new MockFileSystem());
            string titleActual = target.CreateTitle(conversation);

            Assert.AreEqual(titleExpected, titleActual);
        }