diff --git a/tests/unit/rust_bridge/test_detectors.py b/tests/unit/rust_bridge/test_detectors.py
index 3001d23e57e..7e4f1781b54 100644
--- a/tests/unit/rust_bridge/test_detectors.py
+++ b/tests/unit/rust_bridge/test_detectors.py
@@ -109,7 +109,7 @@ def _wrap_nested_level(value: object, depth: int) -> object:
         (detectors.prompt_management, {"model": "litellm_agent/gpt-5"}, True),
         (detectors.prompt_management, {"model": "gpt-5"}, False),
         (detectors.caller_client, {"client": object()}, True),
-        (detectors.caller_client, {"shared_session": object()}, True),
+        (detectors.caller_client, {"shared_session": object()}, False),
         (detectors.caller_client, {"client": None, "shared_session": None}, False),
         (detectors.caller_client, {}, False),
         (detectors.extra_body, {"extra_body": {"stream": True}}, True),