Removed the test portion that relies on transactions when the backend is mysql or mysql_old (it's still in place for all other backends).
Removed the test portion that relies on transactions when the backend is mysql or mysql_old (it's still in place for all other backends).


git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@6353 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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