Add openstack/os-test-images

Author: mnasiadka

ansible/inventory/group_vars/all/zuul-operator-tenant-config

@@ -146,6 +146,7 @@ zuul_operator_tenant_config:
                 - openstack/os-collect-config
                 - openstack/os-ken
                 - openstack/os-refresh-config
+                - openstack/os-test-images
                 - openstack/osc-lib
                 - openstack/openstack-manuals
                 - openstack/ossa