Change osd-node num in ceph_ha test
Change osd-node num in ceph_ha test

It destroyed 5th node and 4th node later so that eventually
all computes were turn off

Change-Id: Ie65fd5a5e56c125d66255a38fef4c9d562d45fbf

Fiware/ops.Fuel-main-dev,AnselZhangGit/fuel-main,ddepaoli3/fuel-main-dev,ddepaoli3/fuel-main-dev,Fiware/ops.Fuel-main-dev,teselkin/fuel-main,Fiware/ops.Fuel-main-dev,huntxu/fuel-main,AnselZhangGit/fuel-main,SergK/fuel-main,SmartInfrastructures/fuel-main-dev,zhaochao/fuel-main,AnselZhangGit/fuel-main,stackforge/fuel-main,huntxu/fuel-main,zhaochao/fuel-main,zhaochao/fuel-main,ddepaoli3/fuel-main-dev,SmartInfrastructures/fuel-main-dev,dancn/fuel-main-dev,AnselZhangGit/fuel-main,teselkin/fuel-main,SmartInfrastructures/fuel-main-dev,eayunstack/fuel-main,SergK/fuel-main,stackforge/fuel-main,SergK/fuel-main,eayunstack/fuel-main,dancn/fuel-main-dev,huntxu/fuel-main,dancn/fuel-main-dev,zhaochao/fuel-main,SmartInfrastructures/fuel-main-dev,teselkin/fuel-main,eayunstack/fuel-main,zhaochao/fuel-main,stackforge/fuel-main,ddepaoli3/fuel-main-dev,teselkin/fuel-main,dancn/fuel-main-dev,Fiware/ops.Fuel-main-dev