added decorator-based mocks declaration to
added decorator-based mocks declaration to

    * test_openstack_provider_init
    * test_openstack_provider_init_no_glance
    * test_openstack_provider_init_with_invalid_conf_no_user
    * test_openstack_provider_init_with_invalid_conf_no_url
    * test_openstack_provider_init_with_invalid_conf_extra_key
    * test_openstack_provider_init_with_invalid_conf_flavor_
    * test_openstack_provider_with_valid_config
    * test_openstack_provider_with_valid_config_uuid
    * test_openstack_provider_with_valid_config_checksum

Change-Id: I1a6bcda26de03f6f0daf56dd687f857c029d6b54

vganapath/rally,pandeyop/rally,amit0701/rally,vponomaryov/rally,ytsarev/rally,shdowofdeath/rally,openstack/rally,pandeyop/rally,eayunstack/rally,gluke77/rally,vganapath/rally,varunarya10/rally,shdowofdeath/rally,group-policy/rally,cernops/rally,ytsarev/rally,openstack/rally,openstack/rally,cernops/rally,go-bears/rally,pyKun/rally,afaheem88/rally,group-policy/rally,gluke77/rally,yeming233/rally,paboldin/rally,varunarya10/rally,vganapath/rally,aplanas/rally,aplanas/rally,eayunstack/rally,vponomaryov/rally,yeming233/rally,vefimova/rally,afaheem88/rally,openstack/rally,eonpatapon/rally,vganapath/rally,paboldin/rally,group-policy/rally,gluke77/rally,aforalee/RRally,aforalee/RRally,redhat-openstack/rally,amit0701/rally,pyKun/rally,gluke77/rally,redhat-openstack/rally,go-bears/rally,eonpatapon/rally,amit0701/rally,vefimova/rally,paboldin/rally,eayunstack/rally