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: I033a3b5a98848fc9b6a3ae3a439a272762b6dae1

.zuul.yaml

@@ -1,7 +1,7 @@
 - project:
     templates:
       - check-requirements
-      - openstack-python3-yoga-jobs
+      - openstack-python3-zed-jobs
       - openstackclient-plugin-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3

vitrageclient/common/formatters.py

@@ -72,6 +72,8 @@ class GraphFormatter(base.SingleFormatter, metaclass=abc.ABCMeta):
         for k, v in node.items():
             if type(v) == list:
                 node[k] = str(v)
+            if type(v) == str and ":" in v:
+                node[k] = '"' + v + '"'
 
     @abc.abstractmethod
     def _write_format(self, graph, stdout):