Drop asynctest (#44746)

tests/components/tasmota/test_light.py

@@ -1,6 +1,7 @@
 """The tests for the Tasmota light platform."""
 import copy
 import json
+from unittest.mock import patch
 
 from hatasmota.const import CONF_MAC
 from hatasmota.utils import (
@@ -34,7 +35,6 @@ from .test_common import (
     help_test_entity_id_update_subscriptions,
 )
 
-from tests.async_mock import patch
 from tests.common import async_fire_mqtt_message
 from tests.components.light import common