diff --git a/tests/components/forecast_solar/test_sensor.py b/tests/components/forecast_solar/test_sensor.py
index 7698a230751..ee8afe5794b 100644
--- a/tests/components/forecast_solar/test_sensor.py
+++ b/tests/components/forecast_solar/test_sensor.py
@@ -7,16 +7,14 @@ from homeassistant.components.forecast_solar.const import DOMAIN
 from homeassistant.components.sensor import (
     ATTR_STATE_CLASS,
     DOMAIN as SENSOR_DOMAIN,
-    STATE_CLASS_MEASUREMENT,
+    SensorDeviceClass,
+    SensorStateClass,
 )
 from homeassistant.const import (
     ATTR_DEVICE_CLASS,
     ATTR_FRIENDLY_NAME,
     ATTR_ICON,
     ATTR_UNIT_OF_MEASUREMENT,
-    DEVICE_CLASS_ENERGY,
-    DEVICE_CLASS_POWER,
-    DEVICE_CLASS_TIMESTAMP,
     ENERGY_KILO_WATT_HOUR,
     POWER_WATT,
 )
@@ -47,7 +45,7 @@ async def test_sensors(
     )
     assert state.attributes.get(ATTR_STATE_CLASS) is None
     assert state.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == ENERGY_KILO_WATT_HOUR
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == DEVICE_CLASS_ENERGY
+    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.ENERGY
     assert ATTR_ICON not in state.attributes
 
     state = hass.states.get("sensor.energy_production_tomorrow")
@@ -62,7 +60,7 @@ async def test_sensors(
     )
     assert state.attributes.get(ATTR_STATE_CLASS) is None
     assert state.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == ENERGY_KILO_WATT_HOUR
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == DEVICE_CLASS_ENERGY
+    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.ENERGY
     assert ATTR_ICON not in state.attributes
 
     state = hass.states.get("sensor.power_highest_peak_time_today")
@@ -73,7 +71,7 @@ async def test_sensors(
     assert state.state == "2021-06-27T13:00:00+00:00"
     assert state.attributes.get(ATTR_FRIENDLY_NAME) == "Highest Power Peak Time - Today"
     assert state.attributes.get(ATTR_STATE_CLASS) is None
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == DEVICE_CLASS_TIMESTAMP
+    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.TIMESTAMP
     assert ATTR_UNIT_OF_MEASUREMENT not in state.attributes
     assert ATTR_ICON not in state.attributes
 
@@ -87,7 +85,7 @@ async def test_sensors(
         state.attributes.get(ATTR_FRIENDLY_NAME) == "Highest Power Peak Time - Tomorrow"
     )
     assert state.attributes.get(ATTR_STATE_CLASS) is None
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == DEVICE_CLASS_TIMESTAMP
+    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.TIMESTAMP
     assert ATTR_UNIT_OF_MEASUREMENT not in state.attributes
     assert ATTR_ICON not in state.attributes
 
@@ -100,9 +98,9 @@ async def test_sensors(
     assert (
         state.attributes.get(ATTR_FRIENDLY_NAME) == "Estimated Power Production - Now"
     )
-    assert state.attributes.get(ATTR_STATE_CLASS) == STATE_CLASS_MEASUREMENT
+    assert state.attributes.get(ATTR_STATE_CLASS) == SensorStateClass.MEASUREMENT
     assert state.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == POWER_WATT
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == DEVICE_CLASS_POWER
+    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.POWER
     assert ATTR_ICON not in state.attributes
 
     state = hass.states.get("sensor.energy_current_hour")
@@ -117,7 +115,7 @@ async def test_sensors(
     )
     assert state.attributes.get(ATTR_STATE_CLASS) is None
     assert state.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == ENERGY_KILO_WATT_HOUR
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == DEVICE_CLASS_ENERGY
+    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.ENERGY
     assert ATTR_ICON not in state.attributes
 
     state = hass.states.get("sensor.energy_next_hour")
@@ -132,7 +130,7 @@ async def test_sensors(
     )
     assert state.attributes.get(ATTR_STATE_CLASS) is None
     assert state.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == ENERGY_KILO_WATT_HOUR
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == DEVICE_CLASS_ENERGY
+    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.ENERGY
     assert ATTR_ICON not in state.attributes
 
     assert entry.device_id
@@ -224,5 +222,5 @@ async def test_enabling_disable_by_default(
     assert state.attributes.get(ATTR_FRIENDLY_NAME) == name
     assert state.attributes.get(ATTR_STATE_CLASS) is None
     assert state.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == POWER_WATT
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == DEVICE_CLASS_POWER
+    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.POWER
     assert ATTR_ICON not in state.attributes