Fix cli tests vs MOS clouds
Fix cli tests vs MOS clouds

MOS clouds have "TestVM" image and "novanetwork" network by default.

Change-Id: Ia382734af7b613608a901c21a85136c9e491589f

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