diff --git a/tests/helpers/test_dart.py b/tests/helpers/test_dart.py
index 60165922..df07a165 100644
--- a/tests/helpers/test_dart.py
+++ b/tests/helpers/test_dart.py
@@ -24,5 +24,5 @@ def test_find_dart_source_samples_rows_not_found_barcode(app, dart_samples):
 def test_exceptions_are_propagated_up(app, dart_samples):
     with app.app_context():
         with patch("lighthouse.helpers.dart.create_dart_connection", side_effect=Exception("test exception")):
-            with raises(Exception):
+            with raises(Exception, match="test exception"):
                 find_dart_source_samples_rows("unknown")