Fix zha CI test might fail on changing time (#101134)

tests/components/zha/test_websocket_api.py

@@ -6,6 +6,7 @@ from copy import deepcopy
 from typing import TYPE_CHECKING
 from unittest.mock import ANY, AsyncMock, MagicMock, call, patch
 
+from freezegun import freeze_time
 import pytest
 import voluptuous as vol
 import zigpy.backups
@@ -227,6 +228,7 @@ async def test_device_cluster_commands(zha_client) -> None:
         assert command[TYPE] is not None
 
 
+@freeze_time("2023-09-23 20:16:00+00:00")
 async def test_list_devices(zha_client) -> None:
     """Test getting ZHA devices."""
     await zha_client.send_json({ID: 5, TYPE: "zha/devices"})