It seems that the feedback activity does not allow to add a page break if the are no questions or if the last item is a page break, neither it allows moving a page break to the top. But it simply ignores the action without telling the user, this is can be very confusing for the user.
Steps to reproduce:
- Add a feedback activity to a course.
- Go to "Edit questions" and try to add a Page break. See the action is ignored.
- Add a numeric question.
- Add a page break.
- Via drag and drop, move the page break to the top. Check that the page break is now on top.
- Refresh the page, or go to another page and go back to "Edit question". See that the page break is not on the top, the move was not really done.