Add test to verify staticweb uses auth'd subrequests
Add test to verify staticweb uses auth'd subrequests

Follow on for change Icf159d7e567ac5481e710c5910db686bdcba6336

Related-Bug: 1489749

Change-Id: I96920645d50322c5232bbcd6bb38b0f26795b92d

redbo/swift,thiagodasilva/swift,psachin/swift,revoer/keystone-8.0.0,tipabu/swift,larsbutler/swift,clayg/swift,clayg/swift,swiftstack/swift,notmyname/swift,prashanthpai/swift,matthewoliver/swift,psachin/swift,redbo/swift,clayg/swift,notmyname/swift,psachin/swift,levythu/swift,openstack/swift,smerritt/swift,prashanthpai/swift,mjwtom/swift,nadeemsyed/swift,revoer/keystone-8.0.0,openstack/swift,bkolli/swift,hurricanerix/swift,levythu/swift,mjwtom/swift,psachin/swift,matthewoliver/swift,matthewoliver/swift,smerritt/swift,clayg/swift,smerritt/swift,matthewoliver/swift,williamthegrey/swift,tipabu/swift,tipabu/swift,bkolli/swift,swiftstack/swift,tipabu/swift,thiagodasilva/swift,openstack/swift,swiftstack/swift,williamthegrey/swift,nadeemsyed/swift,daasbank/swift,larsbutler/swift,daasbank/swift,nadeemsyed/swift,rackerlabs/swift,aerwin3/swift,notmyname/swift,rackerlabs/swift,notmyname/swift,hurricanerix/swift,openstack/swift,hurricanerix/swift,smerritt/swift,hurricanerix/swift,nadeemsyed/swift,aerwin3/swift