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: I44f32679a2751c2f7b3fcbcbbb384a3f21f89695

openstack/solum,openstack/solum,stackforge/solum,stackforge/solum