[1.2.X] Fixed test_runner tests on 1.2.X branch to not atempt to use new...

[1.2.X] Fixed test_runner tests on 1.2.X branch to not atempt to use new unittest support that does not exist there.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14927 bcc190cf-cafb-0310-a4f2-bffc1f526a37