Add Python3 wallaby unit tests
Add Python3 wallaby unit tests

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

See also the PTI in governance [1].

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

Change-Id: Ia4d6800cf8ec67edb328352e5acdb19008ab0edb

stackforge/cloudkitty-dashboard,stackforge/cloudkitty-dashboard,stackforge/cloudkitty-dashboard,openstack/cloudkitty-dashboard,openstack/cloudkitty-dashboard,openstack/cloudkitty-dashboard