disable puddle osp repo if poodle

* disable the puddle repo that provides openstack rpms if testing a poodle
* keep all supporting repos intact

Change-Id: Ie8d5ba1dcd1b32c739fa7166f73760a07f3c45fc
Initial unit-test playbook

Change-Id: I093c12241a34964f944c2c8462383e66dc578147