Adjust AdminDocTests to run after r13728. Also match comments to tests and add...

Adjust AdminDocTests to run after r13728. Also match comments to tests and add test that was there in comment form only.Refs #3695.



git-svn-id: http://code.djangoproject.com/svn/django/trunk@13737 bcc190cf-cafb-0310-a4f2-bffc1f526a37