diff --git a/charms_openstack/test_mocks.py b/charms_openstack/test_mocks.py
index 6b539a2..35d37c0 100644
--- a/charms_openstack/test_mocks.py
+++ b/charms_openstack/test_mocks.py
@@ -77,4 +77,6 @@ def mock_charmhelpers():
         'ussuri',
         'victoria',
         'wallaby',
+        'xena',
+        'yoga',
     )