public void Dev2Dialogue_NullTitleDescriptionTitleText_ValidImageSourceDescription_Expected_EmptyTitleAndDescription()
{
IDialogueViewModel dev2Dialogue = new DialogueViewModel();
string newFileName = _filePath.Replace(".png", "Dev2Dialogue_NullTitleDescriptionTitleText_ValidImageSourceDescription_Expected_EmptyTitleAndDescription.png");
createFile(newFileName);
dev2Dialogue.SetupDialogue(null, "Test Description", newFileName, null);
File.Delete(newFileName);
Assert.IsTrue(dev2Dialogue.Title == string.Empty && dev2Dialogue.DescriptionTitleText == string.Empty);
// cleanup - Dispose of the dev2Dialogue
dev2Dialogue.Dispose();
}