[1.2.X] Fixed #14444 -- Convert the pagination doctests to unittests. We have...

[1.2.X] Fixed #14444 -- Convert the pagination doctests to unittests.  We have always been at war with doctests.  Thanks to Gabriel Hurley for the patch.  Backport of [14152].

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14153 bcc190cf-cafb-0310-a4f2-bffc1f526a37