Add Python3 victoria unit tests
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: I08cb823107288a1a047a863dc5cad190d1a52a57

openstack/mox3