From e81968a32b3a14660e4cd819aa2ae53b86ae1b40 Mon Sep 17 00:00:00 2001
From: Xubin Ren <52506698+Re-bin@users.noreply.github.com>
Date: Sat, 20 Jun 2026 19:12:36 +0800
Subject: [PATCH] test: isolate MCP timeout regression from DNS

---
 tests/tools/test_mcp_tool.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/tools/test_mcp_tool.py b/tests/tools/test_mcp_tool.py
index 423d898d..b90fbddc 100644
--- a/tests/tools/test_mcp_tool.py
+++ b/tests/tools/test_mcp_tool.py
@@ -656,11 +656,15 @@ async def test_connect_mcp_servers_streamable_http_uses_finite_timeout(
     async def _reachable(_url: str) -> bool:
         return True
 
+    def _validate(_url: str) -> tuple[bool, str]:
+        return True, ""
+
     @asynccontextmanager
     async def _capturing_streamable_http_client(_url: str, http_client=None):
         captured["timeout"] = http_client.timeout
         yield object(), object(), object()
 
+    monkeypatch.setattr(mcp_mod, "validate_url_target", _validate)
     monkeypatch.setattr(mcp_mod, "_probe_http_url", _reachable)
     monkeypatch.setattr(
         sys.modules["mcp.client.streamable_http"],