Fix ci
Fix ci

The newer version of qemu-kvm-ev-2.6.0-27.1.el7 has dependency problem.
Pin to an older version until the issue can be resolved.
This patch should be reverted after the dependency problem is solved

Change-Id: I687bc765b77638096b47f823e3a784ce7c8c120f

openstack/puppet-openstack-integration,openstack/puppet-openstack-integration,openstack/puppet-openstack-integration