Run Cinder in-tree tests: devstack-plugin-ceph
Run Cinder in-tree tests: devstack-plugin-ceph

We want to run Cinder in-tree tests additionally to the one already
in tempest tree. This commit changes the
gate-tempest-dsvm-full-devstack-plugin-ceph-ubuntu-(xenial|trusty)
job to do so.

Change-Id: I78d8eb3832773e73f7cc606bdaf6d20cec14228b

openstack-infra/project-config,openstack-infra/project-config