Make ServersTest.setUpClass just setUp to make sure we have read the config.
Make ServersTest.setUpClass just setUp to make sure we have read the config.

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