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: Ibea78981c82a07e33ad1f190d5e2c7d3dd972bbc

openstack/monasca-api,stackforge/monasca-api,stackforge/monasca-api,openstack/monasca-api,stackforge/monasca-api,stackforge/monasca-api,openstack/monasca-api