1 files changed, 5 insertions, 1 deletions

diff --git a/src/mailman_pgp/testing/layers.py b/src/mailman_pgp/testing/layers.py
index fb8a3ec..9f80248 100644
--- a/src/mailman_pgp/testing/layers.py
+++ b/src/mailman_pgp/testing/layers.py
@@ -19,6 +19,7 @@ import os
 from os.path import isfile
 
 from mailman.testing.layers import (ConfigLayer, RESTLayer, SMTPLayer)
+from sqlalchemy.exc import SQLAlchemyError
 
 from mailman_pgp.config import config
 from mailman_pgp.database import transaction
@@ -51,7 +52,10 @@ def reset_pgp_soft():
     with contextlib.closing(config.db.engine.connect()) as con:
         trans = con.begin()
         for table in reversed(Base.metadata.sorted_tables):
-            con.execute(table.delete())
+            try:
+                con.execute(table.delete())
+            except SQLAlchemyError:
+                pass
         trans.commit()