diff --git a/tests/logging_callback_tests/gcs_pub_sub_body/spend_logs_payload.json b/tests/logging_callback_tests/gcs_pub_sub_body/spend_logs_payload.json
index 8b2941672b..75c229d8b1 100644
--- a/tests/logging_callback_tests/gcs_pub_sub_body/spend_logs_payload.json
+++ b/tests/logging_callback_tests/gcs_pub_sub_body/spend_logs_payload.json
@@ -28,5 +28,6 @@
     "response": "{}",
     "proxy_server_request": "{}",
     "status": "success",
-    "mcp_namespaced_tool_name": null
+    "mcp_namespaced_tool_name": null,
+    "agent_id": null
 }
\ No newline at end of file