acceptance: install RDO repo the right way
acceptance: install RDO repo the right way

Install packages from RDO properly, by using regular packages and not
ones from testing repo that are too unstable.

Change-Id: If7cb1a05f8bffa53b19a1c47e737ef7b49dc91fc

openstack/puppet-trove,rdo-puppet-modules/puppet-trove,redhat-cip/puppet-trove,egafford/puppet-trove,ramsateesh/puppet-trove,egafford/puppet-trove,openstack/puppet-trove,redhat-cip/puppet-trove,rdo-puppet-modules/puppet-trove,openstack/puppet-trove,ramsateesh/puppet-trove