Added a test for defer() / only() to make sure saving continues to work.
Added a test for defer() / only() to make sure saving continues to work.

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%4010092

Belgabor/django,Belgabor/django,Belgabor/django