Update binary_sensor tests to avoid patching utcnow (#93474)

tests/components/binary_sensor/test_device_condition.py

@@ -1,7 +1,7 @@
 """The test for binary_sensor device automation."""
 from datetime import timedelta
-from unittest.mock import patch
 
+from freezegun import freeze_time
 import pytest
 
 import homeassistant.components.automation as automation
@@ -285,8 +285,7 @@ async def test_if_fires_on_for_condition(
 
     sensor1 = platform.ENTITIES["battery"]
 
-    with patch("homeassistant.core.dt_util.utcnow") as mock_utcnow:
-        mock_utcnow.return_value = point1
+    with freeze_time(point1) as time_freeze:
         assert await async_setup_component(
             hass,
             automation.DOMAIN,
@@ -324,7 +323,7 @@ async def test_if_fires_on_for_condition(
         assert len(calls) == 0
 
         # Time travel 10 secs into the future
-        mock_utcnow.return_value = point2
+        time_freeze.move_to(point2)
         hass.bus.async_fire("test_event1")
         await hass.async_block_till_done()
         assert len(calls) == 0
@@ -335,7 +334,7 @@ async def test_if_fires_on_for_condition(
         assert len(calls) == 0
 
         # Time travel 20 secs into the future
-        mock_utcnow.return_value = point3
+        time_freeze.move_to(point3)
         hass.bus.async_fire("test_event1")
         await hass.async_block_till_done()
         assert len(calls) == 1