tree 23af0b915f8c7b71c2ac121e2d8a54d7d92405f4
parent cc0e3d16934f367ca562313318bc496f3c8493a9
author Ghanshyam Mann <gmann@ghanshyammann.com> 1619047518 -0500
committer Ghanshyam Mann <gmann@ghanshyammann.com> 1626277096 -0500

Use older run-tempest for stable branches

run-tempest is changed recently to add the new variables but
keep supporting the old ones too, for example:
tempest_black_regex, tempest_exclude_regex. and if both
old and new var are used in job definition (parent and child) then
new variables are picked. Because Tempest is branchless, zuul pick
the Tempest master playbooks/roles. That is why job running on stable
branch gate will pick the base job definition from Tempest master.
This way if any stable jobs which were defining the old var and using old
Tempest are broken if any of their parent job define the new var.

This commit pin the older run-tempest role for such stable branches.

Change-Id: If49ab0c31aca5b7837636727096a9bc83f891b1b