Fixed #7531 -- Modified the sites test so that user-provided initial data doesn't cause breakage when executed from within user applications. Thanks for the report, madkinder@gmail.com.
Fixed #7531 -- Modified the sites test so that user-provided initial data doesn't cause breakage when executed from within user applications. Thanks for the report, madkinder@gmail.com.

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@7738 bcc190cf-cafb-0310-a4f2-bffc1f526a37

jamespacileo/django-france,dcramer/django-compositepks,Instagram/django,hugs/django,disqus/django-old,sam-tsai/django-old,alex/django-old,alex/django-old,t11e/django,disqus/django-old,Smarsh/django,t11e/django,alex/django-old,Instagram/django,Instagram/django,django-nonrel/django-nonrel,jamespacileo/django-france,hugs/django,Smarsh/django,skevy/django,django-nonrel/django-nonrel,jamespacileo/django-france,dcramer/django-compositepks,mitsuhiko/django,django-nonrel/django-nonrel,hugs/django,sam-tsai/django-old,sam-tsai/django-old,mitsuhiko/django,skevy/django,sam-tsai/django-old,disqus/django-old,t11e/django,Smarsh/django,bfirsh/django-old,bfirsh/django-old,bfirsh/django-old,Smarsh/django,mitsuhiko/django,skevy/django,dcramer/django-compositepks