public void CodeModel_PointsFor()
        {
            ICodeModel codeModel = new CodeModel();
            var        item      = new WaterfallDialog("dialog-id");

            var activity = MessageFactory.Text("hi");
            var context  = new TurnContext(new TestAdapter(), activity);

            var dialogs = new DialogSet();

            dialogs.Add(item);

            var dc = new DialogContext(dialogs, context, new DialogState());

            var instance = new DialogInstance {
                Id = "dialog-id"
            };

            dc.Stack.Add(instance);

            var codePoints = codeModel.PointsFor(dc, item, "more");

            Assert.Equal(item, codePoints[0].Item);
        }