Start testing with ubuntu-bionic
Start testing with ubuntu-bionic

We have nodes online in openstack-infra, so lets start using them.

Change-Id: I0f2a607622ba87f7e2f4aa7c797f2e4a445aab1b
Signed-off-by: Paul Belanger <e7139c8e6c4ea75cc1c287ce081b2dc0f3ab39ec@redhat.com>

openstack/ansible-role-shade