Fixed #12893 -- Added tests to validate that the right queryset is always used in model admins. Thanks to mk and Julien Phalip for their work on the patch.
Fixed #12893 -- Added tests to validate that the right queryset is always used in model admins. Thanks to mk and Julien Phalip for their work on the patch.

git-svn-id: 554f83ef17aa7291f84efa897c1acfc5d0035373@15578 bcc190cf-cafb-0310-a4f2-bffc1f526a37

svn2github/django,svn2github/django,svn2github/django