Add Python3 yoga unit tests

This is an automatically generated patch to ensure unit testing
is in place for all the of the tested runtimes for yoga.

See also the PTI in governance [1].

[1]: https://governance.openstack.org/tc/reference/project-testing-interface.html

Change-Id: I39ca6e889af922fcbff135ef2b71df6fcd644fb5

Author: openstackadmin

.zuul.yaml

@@ -59,7 +59,7 @@
 - project:
     templates:
       - openstack-cover-jobs
-      - openstack-python3-victoria-jobs
+      - openstack-python3-yoga-jobs
       - check-requirements
       - publish-openstack-docs-pti
       - release-notes-jobs-python3