diff --git a/.zuul.yaml b/.zuul.yaml
index 58e1095..27001af 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -49,6 +49,10 @@
       devstack_local_conf:
         test-config:
           $TEMPEST_CONFIG:
+            auth:
+              # FIXME: 'creator' should be re-added by the barbican devstack plugin
+              # but the value below override everything.
+              tempest_roles: member,creator
             volume-feature-enabled:
               volume_revert: True
       devstack_services:
diff --git a/cinder_tempest_plugin/api/volume/test_volume_unicode.py b/cinder_tempest_plugin/api/volume/test_volume_unicode.py
index 35d0a54..ff6473a 100644
--- a/cinder_tempest_plugin/api/volume/test_volume_unicode.py
+++ b/cinder_tempest_plugin/api/volume/test_volume_unicode.py
@@ -57,6 +57,7 @@
 
         return volume
 
+    @decorators.idempotent_id('2d7e2e49-150e-4849-a18e-79f9777c9a96')
     def test_create_delete_unicode_volume_name(self):
         """Create a volume with a unicode name and view it."""
 
@@ -68,6 +69,7 @@
     @testtools.skipUnless(CONF.volume_feature_enabled.snapshot,
                           "Cinder volume snapshots are disabled")
     @decorators.related_bug('1393871')
+    @decorators.idempotent_id('332be44d-5418-4fb3-a8f0-a3587de6929f')
     def test_snapshot_create_volume_description_non_ascii_code(self):
         # Create a volume with non-ascii description
         description = u'\u05e7\u05d9\u05d9\u05e4\u05e9'
diff --git a/setup.cfg b/setup.cfg
index 9b05085..7866a06 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,6 +16,7 @@
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
 
 [files]
 packages =