Comment 3 for bug 1928880

An ussuri job defined in a native zuulv3 format doesn't hit this issue: https://review.opendev.org/c/openstack/manila-tempest-plugin/+/725692

In this job tempest plugin is installed into a virtualenv, which always uses tempest requirements from master:

https://github.com/openstack/devstack/blob/a64c843052529cf5c8ac8cf8eb46c59b103b4b47/lib/tempest#L731-L743

So options here seem to be:

- constrain tempest on the old legacy jobs we have in stable/ussuri to a tag that doesn't need this latest version of oslo.utils;
- replace all the test jobs in stable/ussuri to the zuulv3 native jobs.
- figure out a way to stop installing/using tempest from the global python namespace, and use a tempest virtualenv.

I expect all third party CI jobs on stable branches to be broken as well.