Fix Rpi_power test race condition (#114662)

tests/components/rpi_power/test_binary_sensor.py

@@ -6,6 +6,7 @@ from unittest.mock import MagicMock
 
 import pytest
 
+from homeassistant.components.rpi_power import binary_sensor
 from homeassistant.components.rpi_power.binary_sensor import (
     DESCRIPTION_NORMALIZED,
     DESCRIPTION_UNDER_VOLTAGE,
@@ -48,32 +49,25 @@ async def test_new_detected(
     """Test new entry with under voltage detected."""
     mocked_under_voltage = await _async_setup_component(hass, True)
     state = hass.states.get(ENTITY_ID)
+    assert state
     assert state.state == STATE_ON
     assert (
-        len(
-            [
-                x
-                for x in caplog.records
-                if x.levelno == logging.WARNING
-                and x.message == DESCRIPTION_UNDER_VOLTAGE
-            ]
-        )
-        == 1
-    )
+        binary_sensor.__name__,
+        logging.WARNING,
+        DESCRIPTION_UNDER_VOLTAGE,
+    ) in caplog.record_tuples
 
     # back to normal
     type(mocked_under_voltage).get = MagicMock(return_value=False)
     future = dt_util.utcnow() + timedelta(minutes=1)
     async_fire_time_changed(hass, future)
-    await hass.async_block_till_done()
+    await hass.async_block_till_done(wait_background_tasks=True)
+
     state = hass.states.get(ENTITY_ID)
+    assert state
+    assert state.state == STATE_OFF
     assert (
-        len(
-            [
-                x
-                for x in caplog.records
-                if x.levelno == logging.INFO and x.message == DESCRIPTION_NORMALIZED
-            ]
-        )
-        == 1
-    )
+        binary_sensor.__name__,
+        logging.INFO,
+        DESCRIPTION_NORMALIZED,
+    ) in caplog.record_tuples