Added a test from Jamie Gennis to ensure #9848 doesn't reappear.
Added a test from Jamie Gennis to ensure #9848 doesn't reappear.

The bug itself was fixed at some point in the past months (there have
been a few improvements to update() recently). Fixed #9848.

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@10528 bcc190cf-cafb-0310-a4f2-bffc1f526a37

aparo/django-nonrel,FlaPer87/django-nonrel,FlaPer87/django-nonrel,FlaPer87/django-nonrel,aparo/django-nonrel,aparo/django-nonrel