Add psql tests for \g and \o

When Who What
2022-11-30 05:50:35 Michael Paquier (michael-kun) Closed in commitfest 2022-11 with status: Committed
2022-11-30 05:50:35 Michael Paquier (michael-kun) Changed committer to michael-kun
2022-11-24 22:42:00 Daniel Vérité (danielverite) New status: Needs review
2022-11-10 07:55:34 Michael Paquier (michael-kun) New status: Waiting on Author
2022-11-01 11:45:50 Daniel Vérité (danielverite) Changed authors to Daniel Vérité (danielverite)
2022-11-01 11:45:25 Daniel Vérité (danielverite) Attached mail thread 25c2bb5b-9012-40f8-8088-774cb764046d@manitou-mail.org
2022-11-01 11:45:25 Daniel Vérité (danielverite) Created patch record