public void Dev2Dialogue_NullTitle_ValidDescriptionImgSourceDecsriptionTitle_Expected_DialogueSetup_TitleSetToEmptyStringNotNull()
{
IDialogueViewModel dev2Dialogue = new DialogueViewModel();
string newFileName = _filePath.Replace(".png", "Dev2Dialogue_NullTitle_ValidDescriptionImgSourceDecsriptionTitle_Expected_DialogueSetup_TitleSetToEmptyStringNotNull.png");
createFile(newFileName);
dev2Dialogue.SetupDialogue(null, "Test Description", newFileName, "SomeTitleText");
File.Delete(newFileName);
Assert.AreEqual(string.Empty, dev2Dialogue.Title);
// cleanup - Dispose of the dev2Dialogue
dev2Dialogue.Dispose();
}