Fix AutoScalingTest test suite error
Fix AutoScalingTest test suite error

Fix the credential return value tuple order of Orchestration-
ScenarioTest to match that of its parent class, OfficialClientTest.

Change-Id: Ie60403f17e23cb4843578bd389ae3e0c8b22e4b2
Closes-Bug: #1263220

yamt/tempest,nunogt/tempest,JioCloud/tempest,manasi24/tempest,redhat-cip/tempest,afaheem88/tempest,sebrandon1/tempest,yamt/tempest,NexusIS/tempest,Vaidyanath/tempest,dkalashnik/tempest,redhat-cip/tempest,masayukig/tempest,Mirantis/tempest,Juniper/tempest,flyingfish007/tempest,rzarzynski/tempest,FujitsuEnablingSoftwareTechnologyGmbH/tempest,neerja28/Tempest,izadorozhna/tempest,ntymtsiv/tempest,vmahuli/tempest,openstack/tempest,jamielennox/tempest,tudorvio/tempest,hayderimran7/tempest,afaheem88/tempest,roopali8/tempest,BeenzSyed/tempest,ebagdasa/tempest,eggmaster/tempest,CiscoSystems/tempest,Tesora/tesora-tempest,bigswitch/tempest,vmahuli/tempest,afaheem88/tempest_neutron,openstack/tempest,izadorozhna/tempest,Lilywei123/tempest,ntymtsiv/tempest,cisco-openstack/tempest,NexusIS/tempest,cloudbase/lis-tempest,LIS/lis-tempest,vedujoshi/os_tempest,manasi24/jiocloud-tempest-qatempest,vedujoshi/os_tempest,akash1808/tempest,afaheem88/tempest_neutron,rzarzynski/tempest,xbezdick/tempest,varunarya10/tempest,manasi24/jiocloud-tempest-qatempest,flyingfish007/tempest,CiscoSystems/tempest,danielmellado/tempest,queria/my-tempest,Juniper/tempest,alinbalutoiu/tempest,pandeyop/tempest,zsoltdudas/lis-tempest,bigswitch/tempest,masayukig/tempest,hayderimran7/tempest,LIS/lis-tempest,JioCloud/tempest,sebrandon1/tempest,vedujoshi/tempest,Tesora/tesora-tempest,rakeshmi/tempest,manasi24/tempest,nunogt/tempest,tudorvio/tempest,hpcloud-mon/tempest,Vaidyanath/tempest,FujitsuEnablingSoftwareTechnologyGmbH/tempest,danielmellado/tempest,queria/my-tempest,alinbalutoiu/tempest,varunarya10/tempest,Juraci/tempest,tonyli71/tempest,jaspreetw/tempest,pandeyop/tempest,ebagdasa/tempest,roopali8/tempest,rakeshmi/tempest,dkalashnik/tempest,hpcloud-mon/tempest,neerja28/Tempest,BeenzSyed/tempest,Mirantis/tempest,cisco-openstack/tempest,tonyli71/tempest,jamielennox/tempest,jaspreetw/tempest,akash1808/tempest,eggmaster/tempest,Lilywei123/tempest,pczerkas/tempest,zsoltdudas/lis-tempest,xbezdick/tempest,pczerkas/tempest,Juraci/tempest,cloudbase/lis-tempest,vedujoshi/tempest