Comment 1 for bug 1964737

oslo.context 4.1.0 has removed the deprecated field
'tenant' and nova unit test fail as it still expect
the 'tenant' field.

Failure happening in requirements patch while updating the
u-c
- https://review.opendev.org/c/openstack/requirements/+/829599
- http://lists.openstack.org/pipermail/openstack-discuss/2022-February/027455.html