diff --git a/tests/tools/test_managed_media_gateways.py b/tests/tools/test_managed_media_gateways.py
index d7d35e4b7b69..6dc76374d5ab 100644
--- a/tests/tools/test_managed_media_gateways.py
+++ b/tests/tools/test_managed_media_gateways.py
@@ -169,6 +169,7 @@ def _install_fake_openai_module(captured, transcription_response=None):
         APIError=Exception,
         APIConnectionError=Exception,
         APITimeoutError=Exception,
+        BadRequestError=type("BadRequestError", (Exception,), {}),
     )
     sys.modules["openai"] = fake_module