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: I5b0f1582fe3aae71034dd973976c8196501f4d5d
OpenStack Release Bot
3 years ago