Drop asynctest (#44746)

tests/components/point/test_config_flow.py

@@ -1,5 +1,6 @@
 """Tests for the Point config flow."""
 import asyncio
+from unittest.mock import AsyncMock, patch
 
 import pytest
 
@@ -7,8 +8,6 @@ from homeassistant import data_entry_flow
 from homeassistant.components.point import DOMAIN, config_flow
 from homeassistant.const import CONF_CLIENT_ID, CONF_CLIENT_SECRET
 
-from tests.async_mock import AsyncMock, patch
-
 
 def init_config_flow(hass, side_effect=None):
     """Init a configuration flow."""