[1.2.X] Fix AdminDocsTest failure on 1.2.X branch by correcting the test to...

[1.2.X] Fix AdminDocsTest failure on 1.2.X branch by correcting the test to reference an app tag that actually exists in 1.2.X.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13764 bcc190cf-cafb-0310-a4f2-bffc1f526a37