[Sahara] Fix sahara gate
[Sahara] Fix sahara gate

Update timeout for polling cluster state

Change-Id: Iee7e79d8292eca2d8a45bd0267cece89817a537c

openstack/rally,yeming233/rally,amit0701/rally,amit0701/rally,vganapath/rally,amit0701/rally,vganapath/rally,yeming233/rally,eonpatapon/rally,group-policy/rally,eayunstack/rally,vganapath/rally,group-policy/rally,openstack/rally,gluke77/rally,eayunstack/rally,openstack/rally,eayunstack/rally,vganapath/rally,eonpatapon/rally,gluke77/rally,group-policy/rally,gluke77/rally,gluke77/rally,openstack/rally