fix typo in config.py
fix typo in config.py

Change-Id: I11a7c2ca636df27a82795734343f8b6c81ebcc26

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