diff --git a/tempest/scenario/test_network_qos_placement.py b/tempest/scenario/test_network_qos_placement.py
index cdc25dd..365eb1b 100644
--- a/tempest/scenario/test_network_qos_placement.py
+++ b/tempest/scenario/test_network_qos_placement.py
@@ -79,7 +79,7 @@
         new_flavor = self.flavors_client.create_flavor(**{
             'ram': old_flavor['ram'],
             'vcpus': old_flavor['vcpus'],
-            'name': old_flavor['name'] + 'extra-' + data_utils.rand_int_id(),
+            'name': old_flavor['name'] + 'extra-%s' % data_utils.rand_int_id(),
             'disk': old_flavor['disk'] + 1
         })['flavor']
         self.addCleanup(test_utils.call_and_ignore_notfound_exc,
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index 731a72a..2d4f10a 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -42,6 +42,7 @@
         - tempest-full-victoria-py3:
             irrelevant-files: *tempest-irrelevant-files
         - tempest-full-ussuri-py3:
+            voting: false
             irrelevant-files: *tempest-irrelevant-files
         - tempest-multinode-full-py3:
             irrelevant-files: *tempest-irrelevant-files