Add Python3 victoria unit tests

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

See also the PTI in governance [1].

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

Change-Id: I1178c8fed5f7fdcbbb52c036bf7fab8bf4de6807

Author: openstackadmin

.zuul.yaml

@@ -351,7 +351,7 @@
       - integrated-gate-compute
       - openstack-cover-jobs
       - openstack-lower-constraints-jobs
-      - openstack-python3-ussuri-jobs
+      - openstack-python3-victoria-jobs
       - periodic-stable-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3