Add enable-v2-api.yml to std tests

Author: stephanme

units/tests/standard_test/operations.yml

@@ -29,6 +29,7 @@ enable-privileged-container-support.yml: {}
 enable-service-discovery.yml: {}
 enable-smb-volume-service.yml: {}
 enable-tls-on-file-server.yml: {}
+enable-v2-api.yml: {}
 openstack.yml: {}
 override-app-domains.yml:
   varsfiles: