Use asynctest-mock in most places (#35109)

* Use asynctest-mock in most places

* Fix broken patch in pilight

tests/components/websocket_api/test_init.py

@@ -1,11 +1,11 @@
 """Tests for the Home Assistant Websocket API."""
-from unittest.mock import Mock, patch
-
 from aiohttp import WSMsgType
 import voluptuous as vol
 
 from homeassistant.components.websocket_api import const, messages
 
+from tests.async_mock import Mock, patch
+
 
 async def test_invalid_message_format(websocket_client):
     """Test sending invalid JSON."""