Reinstate SUSE testing in periodics
Reinstate SUSE testing in periodics

SUSE is behaving better and can now be tested in periodics safely,
as they should gate under the 3h mark.

Change-Id: I626687181a88641195d2ab119e05fa82137d57e2

bunchc/openstack-ansible,openstack/openstack-ansible,openstack/openstack-ansible,stackforge/os-ansible-deployment,stackforge/os-ansible-deployment,bunchc/openstack-ansible