[WIP][TASK] Add Publish and PublishAll DataHandler workspaces tests

Change-Id: I1f7a70df39585c29b3b4ff5675b5147610f254f2
Releases: 6.2
[BUGFIX] Use vanilla DataHandler for each functional test action

Change-Id: Iea685f58625e6ef611d543e375a8c24c1595008d
Releases: 6.2