Cancel remaining tests if one test was timed out
Cancel remaining tests if one test was timed out

Save some time by cancelling remainig tests if one test was timed out.

Blueprint test-engine-utils

Change-Id: Ic3b3a3a7fc825291bae63f6584fcfb906fd7c0cf

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