diff --git a/rosidl_runtime_py/test/rosidl_runtime_py/test_utilities.py b/rosidl_runtime_py/test/rosidl_runtime_py/test_utilities.py
index 18cdeec2..20df787b 100644
--- a/rosidl_runtime_py/test/rosidl_runtime_py/test_utilities.py
+++ b/rosidl_runtime_py/test/rosidl_runtime_py/test_utilities.py
@@ -22,7 +22,7 @@
 import test_msgs.srv
 
 
-class TestConfig:
+class Config:
 
     def __init__(
         self,
@@ -39,37 +39,37 @@ def __init__(
 
 
 @pytest.mark.parametrize('config', (
-    TestConfig(
+    Config(
         path='test_msgs/msg/Empty',
         object_type=test_msgs.msg.Empty,
         to_namespaced_type_function=utilities.get_message_namespaced_type,
         is_function=utilities.is_message
     ),
-    TestConfig(
+    Config(
         path='test_msgs/Empty',
         object_type=test_msgs.msg.Empty,
         to_namespaced_type_function=utilities.get_message_namespaced_type,
         is_function=utilities.is_message
     ),
-    TestConfig(
+    Config(
         path='test_msgs/srv/Empty',
         object_type=test_msgs.srv.Empty,
         to_namespaced_type_function=utilities.get_service_namespaced_type,
         is_function=utilities.is_service
     ),
-    TestConfig(
+    Config(
         path='test_msgs/Empty',
         object_type=test_msgs.srv.Empty,
         to_namespaced_type_function=utilities.get_service_namespaced_type,
         is_function=utilities.is_service
     ),
-    TestConfig(
+    Config(
         path='test_msgs/action/Fibonacci',
         object_type=test_msgs.action.Fibonacci,
         to_namespaced_type_function=utilities.get_action_namespaced_type,
         is_function=utilities.is_action
     ),
-    TestConfig(
+    Config(
         path='test_msgs/Fibonacci',
         object_type=test_msgs.action.Fibonacci,
         to_namespaced_type_function=utilities.get_action_namespaced_type,