[1.2.X] Fixed a typo in the comments tests, as well as a dependency on...

[1.2.X] Fixed a typo in the comments tests, as well as a dependency on CPython's reference counting semantics.  Backport of [14098].

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14099 bcc190cf-cafb-0310-a4f2-bffc1f526a37