diff --git a/tests/handlers/test_typing.py b/tests/handlers/test_typing.py
index f1d3b27f7..07acda5ee 100644
--- a/tests/handlers/test_typing.py
+++ b/tests/handlers/test_typing.py
@@ -40,6 +40,7 @@ def _expect_edu(destination, edu_type, content, origin="test"):
                 "content": content,
             }
         ],
+        "pdu_failures": [],
     }