Fixed #14444 -- Convert the pagination doctests to unittests. We have always...

Fixed #14444 -- Convert the pagination doctests to unittests.  We have always been at war with doctests.  Thanks to Gabriel Hurley for the patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14152 bcc190cf-cafb-0310-a4f2-bffc1f526a37