diff --git a/src/epplibwrapper/tests/test_client.py b/src/epplibwrapper/tests/test_client.py
index b623b44e0..93a4ec7e4 100644
--- a/src/epplibwrapper/tests/test_client.py
+++ b/src/epplibwrapper/tests/test_client.py
@@ -316,6 +316,9 @@ class TestClient(TestCase):
         pass
 
     def fake_success_send(self, command=None, cleaned=None):
+        """
+        Simulates receiving a success response from EPP.
+        """
         mock = MagicMock(
             code=1000,
             msg="Command completed successfully",