Unit test artefacts can be create by two MettleCI components:

The umask set in Workbench gives read/write access to the owner (the user set to run the Workbench process) and any member of the DataStage group (usually dstage). Any other users have no read/write access. The usual DataStage umask provides read access to all users.

It is important that members of the dstage group have read/write permissions so that those users are able to successfully run DataStage jobs in test or interception mode.