Add missing hass type in tests/test_util (#124043)

tests/test_util/aiohttp.py

@@ -5,6 +5,7 @@ from collections.abc import Iterator
 from contextlib import contextmanager
 from http import HTTPStatus
 import re
+from typing import Any
 from unittest import mock
 from urllib.parse import parse_qs
 
@@ -19,6 +20,7 @@ from multidict import CIMultiDict
 from yarl import URL
 
 from homeassistant.const import EVENT_HOMEASSISTANT_CLOSE
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers.json import json_dumps
 from homeassistant.util.json import json_loads
 
@@ -301,7 +303,7 @@ def mock_aiohttp_client() -> Iterator[AiohttpClientMocker]:
     """Context manager to mock aiohttp client."""
     mocker = AiohttpClientMocker()
 
-    def create_session(hass, *args, **kwargs):
+    def create_session(hass: HomeAssistant, *args: Any, **kwargs: Any) -> ClientSession:
         session = mocker.create_session(hass.loop)
 
         async def close_session(event):