test(garden): increase MCP tool timeout to avoid Virtuoso latency

test_garden_layer.py

@@ -94,7 +94,8 @@ def test_batch_insert(garden_layer):
 
 
 def call_mcp_tool(tool_name: str, payload: Dict[str, Any]) -> Any:
-    response = requests.post(MCP_URL, json={"tool": tool_name, "input": payload}, timeout=10)
+    # Some ontology/traversal calls can be a bit slow depending on Virtuoso load.
+    response = requests.post(MCP_URL, json={"tool": tool_name, "input": payload}, timeout=20)
     response.raise_for_status()
     body = response.json()
     assert body.get("status") == "ok", f"{tool_name} failed: {body.get('detail') or 'unknown reason'}"