1 files changed, 8 insertions, 2 deletions

diff --git a/src/mailman_pgp/rules/tests/test_signature.py b/src/mailman_pgp/rules/tests/test_signature.py
index 1e509e7..86141a9 100644
--- a/src/mailman_pgp/rules/tests/test_signature.py
+++ b/src/mailman_pgp/rules/tests/test_signature.py
@@ -18,14 +18,20 @@ from unittest import TestCase
 
 from mailman.app.lifecycle import create_list
 from mailman.config import config
+from mailman.database.transaction import transaction as mailman_transaction
 from mailman.testing.helpers import specialized_message_from_string as mfs
-from mailman.testing.layers import ConfigLayer
 
 from mailman_pgp.rules.signature import Signature
+from mailman_pgp.testing.layers import PGPConfigLayer
 
 
 class TestSignature(TestCase):
-    layer = ConfigLayer
+    layer = PGPConfigLayer
+
+    def setUp(self):
+        with mailman_transaction():
+            self.mlist = create_list('nobody@example.com',
+                                     style_name='pgp-default')
 
     def test_has_rule(self):
         self.assertIn(Signature.name, config.rules.keys())