[gate][tempest][plugins][stable] Stable/train tempest plugins jobs are broken

Hello Everyone,

gthiemonge reported the issue for tempest plugin stable/train jobs are broken.

I have explained the issue in https://bugs.launchpad.net/tempest/+bug/1955418 and fix is up (it is under testing). This is applicable for any tempest plugin job on stable/train.

Please hold the recheck until the below fix is merged:

https://review.opendev.org/c/openstack/tempest/+/822339

-gmann