Fixed the get_or_create tests for postgreSQL, by using TransactionTestCase.
Fixed the get_or_create tests for postgreSQL, by using
TransactionTestCase.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13814 bcc190cf-cafb-0310-a4f2-bffc1f526a37

--HG--
extra : convert_revision : 845d7658d4adb03f06ce85db5ec626001c2f8225

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