Fixed #14447 -- Modified the auth and sitemaps tests to remove some...

Fixed #14447 -- Modified the auth and sitemaps tests to remove some assumptions about the environment in which the tests are run. Thanks to Gabriel Hurley for the report and patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14184 bcc190cf-cafb-0310-a4f2-bffc1f526a37