Add Python3 zed unit tests
Add Python3 zed unit tests

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

See also the PTI in governance [1].

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

Change-Id: I22e2d040b4ee57305ef749ae3876463db2c846fc

openstack/vitrage-dashboard,openstack/vitrage-dashboard,openstack/vitrage-dashboard,openstack/vitrage-dashboard