[1.2.X] Fixed a couple of tests migrated to unit tests in r14279 so they...

[1.2.X] Fixed a couple of tests migrated to unit tests in r14279 so they actually and correctly exercise the functionality under test.

Backport of [14981] from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14982 bcc190cf-cafb-0310-a4f2-bffc1f526a37