public void AddCommentInsertsLast() { var model = new Sequence(); model.AddComment(new Comment { Text = "First", MarkIn = 0 }); model.AddComment(new Comment { Text = "Second", MarkIn = 1 }); Assert.AreEqual("First", model.CommentElements[0].Text); Assert.AreEqual("Second", model.CommentElements[1].Text); }