Revert "Temp workaround: drop volumes from tests"
Revert "Temp workaround: drop volumes from tests"

This reverts commit 253192aee1aa6c2fd498d323de21505023a1e77c.

Change-Id: Ifb8da89a9b1879395e10999b68939b6c3ce1ce80

openstack/sahara-scenario,openstack/sahara-scenario,openstack/sahara-scenario,openstack/sahara-tests,openstack/sahara-tests,openstack/sahara-tests,openstack/sahara-tests