fix(standard-tests): fix tool description in agent loop test (#33690)

Author: ccurme

libs/standard-tests/langchain_tests/integration_tests/chat_models.py

@@ -3043,7 +3043,7 @@ def test_agent_loop(self, model: BaseChatModel) -> None:
 
         @tool
         def get_weather(location: str) -> str:  # noqa: ARG001
-            """Call to surf the web."""
+            """Get the weather at a location."""
             return "It's sunny."
 
         llm_with_tools = model.bind_tools([get_weather])