Changed the test from [8052] so that it is insensitive to whether a database sorts NULLs first or last in a sequence or results.
Changed the test from [8052] so that it is insensitive to whether a database
sorts NULLs first or last in a sequence or results.

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%408054

adieu/django-nonrel,adieu/django-nonrel,adieu/django-nonrel