Switch testing to Yoga testing runtime

Updating the testing template to Yoga testing runtime:
https://governance.openstack.org/tc/reference/runtimes/yoga.html

The commit also adds Xena jobs.

Depends-On: https://review.opendev.org/c/openinfra/ansible-role-refstack-client/+/816634
Change-Id: I453797ec60ec15e8f62d8d9493f864068da509a7

.zuul.yaml

@@ -1,7 +1,7 @@
 - project:
     templates:
       - openstack-cover-jobs
-      - openstack-python3-xena-jobs
+      - openstack-python3-yoga-jobs
       - openstack-python37-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3
@@ -13,6 +13,7 @@
         - python-tempestconf-tempest-devstack-admin-ussuri
         - python-tempestconf-tempest-devstack-admin-victoria
         - python-tempestconf-tempest-devstack-admin-wallaby
+        - python-tempestconf-tempest-devstack-admin-xena
         # TODO(mkopec) temporarily disabled to unblock gates
         #- python-tempestconf-tempest-devstack-demo
         #- python-tempestconf-tempest-devstack-admin-plugins
@@ -69,6 +70,7 @@
         - python-tempestconf-tempest-devstack-admin-ussuri
         - python-tempestconf-tempest-devstack-admin-victoria
         - python-tempestconf-tempest-devstack-admin-wallaby
+        - python-tempestconf-tempest-devstack-admin-xena
         - python-tempestconf-tempest-devstack-demo:
             # TODO(mkopec) temporarily put non voting to unblock gates
             voting: false
@@ -107,10 +109,12 @@
         - python-tempestconf-tempest-devstack-demo-ussuri
         - python-tempestconf-tempest-devstack-demo-victoria
         - python-tempestconf-tempest-devstack-demo-wallaby
+        - python-tempestconf-tempest-devstack-demo-xena
         - refstack-client-devstack-train
         - refstack-client-devstack-ussuri
         - refstack-client-devstack-victoria
         - refstack-client-devstack-wallaby
+        - refstack-client-devstack-xena
 
 
 - job:
@@ -258,6 +262,13 @@
     vars:
       branch: stable/wallaby
 
+- job:
+    name: python-tempestconf-tempest-devstack-admin-xena
+    parent: python-tempestconf-tempest-devstack-admin
+    override-checkout: stable/xena
+    vars:
+      branch: stable/xena
+
 - job:
     name: python-tempestconf-tempest-devstack-demo
     parent: python-tempestconf-devstack-base
@@ -305,6 +316,13 @@
     vars:
       branch: stable/wallaby
 
+- job:
+    name: python-tempestconf-tempest-devstack-demo-xena
+    parent: python-tempestconf-tempest-devstack-demo
+    override-checkout: stable/xena
+    vars:
+      branch: stable/xena
+
 - job:
     name: python-tempestconf-tempest-packstack-admin
     parent: python-tempestconf-packstack-base

setup.cfg

@@ -20,6 +20,7 @@ classifier =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [files]
 packages =