Removed unnecessary transaction wrapping in expressions test.
Removed unnecessary transaction wrapping in expressions test.

schinckel/django,elena/django,timgraham/django,simonw/django,fenginx/django,timgraham/django,adamchainz/django,elena/django,blighj/django,takis/django,pauloxnet/django,googleinterns/django,EmadMokhtar/Django,timgraham/django,manhhomienbienthuy/django,freakboy3742/django,apollo13/django,felixxm/django,felixxm/django,koordinates/django,rsalmaso/django,schinckel/django,charettes/django,googleinterns/django,koordinates/django,apollo13/django,googleinterns/django,blighj/django,charettes/django,takis/django,django/django,manhhomienbienthuy/django,solarissmoke/django,felixxm/django,kaedroho/django,ghickman/django,monetate/django,django/django,dsanders11/django,EmadMokhtar/Django,theo-l/django,atul-bhouraskar/django,atul-bhouraskar/django,solarissmoke/django,apollo13/django,simonw/django,kaedroho/django,MarkusH/django,auvipy/django,freakboy3742/django,MarkusH/django,claudep/django,charettes/django,claudep/django,pauloxnet/django,adamchainz/django,manhhomienbienthuy/django,takis/django,monetate/django,georgemarshall/django,georgemarshall/django,blighj/django,shaib/django,apollo13/django,claudep/django,fenginx/django,adamchainz/django,wkschwartz/django,auvipy/django,simonw/django,koordinates/django,simonw/django,dsanders11/django,wkschwartz/django,rsalmaso/django,solarissmoke/django,wkschwartz/django,EmadMokhtar/Django,georgemarshall/django,felixxm/django,auvipy/django,dsanders11/django,theo-l/django,elena/django,shaib/django,dsanders11/django,kaedroho/django,pauloxnet/django,auvipy/django,schinckel/django,googleinterns/django,theo-l/django,atul-bhouraskar/django,ghickman/django,georgemarshall/django,blighj/django,schinckel/django,fenginx/django,fenginx/django,adamchainz/django,takis/django,koordinates/django,claudep/django,MarkusH/django,rsalmaso/django,wkschwartz/django,atul-bhouraskar/django,django/django,manhhomienbienthuy/django,theo-l/django,monetate/django,django/django,MarkusH/django,shaib/django,ghickman/django,charettes/django,monetate/django,elena/django,ghickman/django,rsalmaso/django,shaib/django,timgraham/django,freakboy3742/django,pauloxnet/django,solarissmoke/django