Used urllib.parse.urljoin() in auth_tests to join URLs.
Used urllib.parse.urljoin() in auth_tests to join URLs.

As the strings represent URLs and not paths, should use urllib to
manipulate them.
atul-bhouraskar/django,koordinates/django,blighj/django,ghickman/django,apollo13/django,atul-bhouraskar/django,auvipy/django,ghickman/django,rsalmaso/django,auvipy/django,ghickman/django,rsalmaso/django,blighj/django,monetate/django,solarissmoke/django,koordinates/django,koordinates/django,rsalmaso/django,takis/django,googleinterns/django,wkschwartz/django,googleinterns/django,ghickman/django,wkschwartz/django,elena/django,MarkusH/django,django/django,pauloxnet/django,atul-bhouraskar/django,elena/django,MarkusH/django,MarkusH/django,pauloxnet/django,googleinterns/django,blighj/django,dsanders11/django,dsanders11/django,shaib/django,django/django,adamchainz/django,django/django,pauloxnet/django,dsanders11/django,manhhomienbienthuy/django,freakboy3742/django,shaib/django,wkschwartz/django,elena/django,pauloxnet/django,felixxm/django,apollo13/django,felixxm/django,blighj/django,atul-bhouraskar/django,manhhomienbienthuy/django,takis/django,solarissmoke/django,manhhomienbienthuy/django,adamchainz/django,freakboy3742/django,MarkusH/django,takis/django,apollo13/django,googleinterns/django,monetate/django,dsanders11/django,felixxm/django,koordinates/django,elena/django,felixxm/django,auvipy/django,adamchainz/django,shaib/django,apollo13/django,solarissmoke/django,adamchainz/django,solarissmoke/django,shaib/django,takis/django,django/django,freakboy3742/django,manhhomienbienthuy/django,auvipy/django,rsalmaso/django,monetate/django,wkschwartz/django,monetate/django