Add Python3 yoga unit tests
Add Python3 yoga unit tests

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

See also the PTI in governance [1].

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

Change-Id: I7b0e0c3161f3dc632be464eca6554755e96869eb

openstack/monasca-ui,openstack/monasca-ui,stackforge/monasca-ui,openstack/monasca-ui,stackforge/monasca-ui,stackforge/monasca-ui,openstack/monasca-ui,stackforge/monasca-ui