Python 2.3 compatibility: Fixed a test to only run under 2.4+, since it fails...

Python 2.3 compatibility: Fixed a test to only run under 2.4+, since it fails due to a Ptyhon problem under 2.3.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@13032 bcc190cf-cafb-0310-a4f2-bffc1f526a37