Replace the usage of unit constants by enumerations in Tests [m-n] (#85935)

* replace unit conts by enums m-n

* fix mqtt

tests/components/mysensors/test_sensor.py

@@ -15,10 +15,9 @@ from homeassistant.const import (
     ATTR_DEVICE_CLASS,
     ATTR_ICON,
     ATTR_UNIT_OF_MEASUREMENT,
-    ENERGY_KILO_WATT_HOUR,
-    POWER_WATT,
-    TEMP_CELSIUS,
-    TEMP_FAHRENHEIT,
+    UnitOfEnergy,
+    UnitOfPower,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.util.unit_system import (
@@ -69,7 +68,7 @@ async def test_power_sensor(
     assert state
     assert state.state == "1200"
     assert state.attributes[ATTR_DEVICE_CLASS] == SensorDeviceClass.POWER
-    assert state.attributes[ATTR_UNIT_OF_MEASUREMENT] == POWER_WATT
+    assert state.attributes[ATTR_UNIT_OF_MEASUREMENT] == UnitOfPower.WATT
     assert state.attributes[ATTR_STATE_CLASS] is SensorStateClass.MEASUREMENT
 
 
@@ -86,7 +85,7 @@ async def test_energy_sensor(
     assert state
     assert state.state == "18000"
     assert state.attributes[ATTR_DEVICE_CLASS] == SensorDeviceClass.ENERGY
-    assert state.attributes[ATTR_UNIT_OF_MEASUREMENT] == ENERGY_KILO_WATT_HOUR
+    assert state.attributes[ATTR_UNIT_OF_MEASUREMENT] == UnitOfEnergy.KILO_WATT_HOUR
     assert state.attributes[ATTR_STATE_CLASS] is SensorStateClass.TOTAL_INCREASING
 
 
@@ -125,7 +124,10 @@ async def test_distance_sensor(
 
 @pytest.mark.parametrize(
     "unit_system, unit",
-    [(METRIC_SYSTEM, TEMP_CELSIUS), (US_CUSTOMARY_SYSTEM, TEMP_FAHRENHEIT)],
+    [
+        (METRIC_SYSTEM, UnitOfTemperature.CELSIUS),
+        (US_CUSTOMARY_SYSTEM, UnitOfTemperature.FAHRENHEIT),
+    ],
 )
 async def test_temperature_sensor(
     hass: HomeAssistant,