Completed test coverage for ExclusionConstraint.
Completed test coverage for ExclusionConstraint.

Dropping exclusion constraints was untested.
shaib/django,dsanders11/django,blighj/django,ghickman/django,googleinterns/django,elena/django,rsalmaso/django,adamchainz/django,manhhomienbienthuy/django,koordinates/django,ghickman/django,monetate/django,atul-bhouraskar/django,dsanders11/django,monetate/django,theo-l/django,elena/django,pauloxnet/django,atul-bhouraskar/django,MarkusH/django,freakboy3742/django,adamchainz/django,blighj/django,MarkusH/django,ghickman/django,rsalmaso/django,shaib/django,wkschwartz/django,googleinterns/django,theo-l/django,elena/django,elena/django,django/django,apollo13/django,felixxm/django,monetate/django,auvipy/django,apollo13/django,auvipy/django,rsalmaso/django,freakboy3742/django,takis/django,felixxm/django,django/django,takis/django,manhhomienbienthuy/django,blighj/django,shaib/django,pauloxnet/django,monetate/django,manhhomienbienthuy/django,theo-l/django,apollo13/django,theo-l/django,django/django,manhhomienbienthuy/django,pauloxnet/django,takis/django,felixxm/django,MarkusH/django,apollo13/django,freakboy3742/django,auvipy/django,adamchainz/django,atul-bhouraskar/django,ghickman/django,blighj/django,django/django,solarissmoke/django,atul-bhouraskar/django,rsalmaso/django,koordinates/django,dsanders11/django,MarkusH/django,auvipy/django,solarissmoke/django,pauloxnet/django,wkschwartz/django,solarissmoke/django,koordinates/django,felixxm/django,solarissmoke/django,googleinterns/django,takis/django,koordinates/django,wkschwartz/django,adamchainz/django,googleinterns/django,wkschwartz/django,shaib/django,dsanders11/django