Use eventloop for scheduling (#37184)

Co-authored-by: Paulus Schoutsen <balloob@gmail.com>

tests/components/homekit_controller/conftest.py

@@ -5,13 +5,16 @@ from unittest import mock
 from aiohomekit.testing import FakeController
 import pytest
 
+import homeassistant.util.dt as dt_util
+
 import tests.async_mock
 
 
 @pytest.fixture
 def utcnow(request):
     """Freeze time at a known point."""
-    start_dt = datetime.datetime(2019, 1, 1, 0, 0, 0)
+    now = dt_util.utcnow()
+    start_dt = datetime.datetime(now.year + 1, 1, 1, 0, 0, 0)
     with mock.patch("homeassistant.util.dt.utcnow") as dt_utcnow:
         dt_utcnow.return_value = start_dt
         yield dt_utcnow