[1.2.X] Fixed #15142 -- Force test views to be non-cached so that projects...

[1.2.X] Fixed #15142 -- Force test views to be non-cached so that projects with caching middleware enabled don't cause test failures. Thanks to jsdalton for the report and patch

Backport of r15865 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@15866 bcc190cf-cafb-0310-a4f2-bffc1f526a37