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: I72983d251aee7b2696a0b2eba9190d101b0122d0

openstack/tripleo-image-elements,openstack/tripleo-image-elements