Fixed the ModelMultipleChoiceFieldTests to pass even on DB backends that do not reuse pk values after rollback.
Fixed the ModelMultipleChoiceFieldTests to pass even on DB backends that do not reuse pk values after rollback.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@14928 bcc190cf-cafb-0310-a4f2-bffc1f526a37

--HG--
extra : convert_revision : cd334bac8d48907949d397002b987c261b32f46f

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