FIx brightness always 100% when toggling the light (#153765)

Co-authored-by: Josef Zweck <josef@zweck.dev>

homeassistant/components/niko_home_control/light.py

@@ -53,7 +53,7 @@ class NikoHomeControlLight(NikoHomeControlEntity, LightEntity):
 
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Instruct the light to turn on."""
-        await self._action.turn_on(kwargs.get(ATTR_BRIGHTNESS, 255))
+        await self._action.turn_on(kwargs.get(ATTR_BRIGHTNESS))
 
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Instruct the light to turn off."""

tests/components/niko_home_control/conftest.py

@@ -45,7 +45,7 @@ def dimmable_light() -> NHCLight:
     mock.is_dimmable = True
     mock.name = "dimmable light"
     mock.suggested_area = "room"
-    mock.state = 255
+    mock.state = 100
     return mock
 
 

tests/components/niko_home_control/snapshots/test_light.ambr

@@ -41,7 +41,7 @@
 # name: test_entities[light.dimmable_light-state]
   StateSnapshot({
     'attributes': ReadOnlyDict({
-      'brightness': 255,
+      'brightness': 100,
       'color_mode': <ColorMode.BRIGHTNESS: 'brightness'>,
       'friendly_name': 'dimmable light',
       'supported_color_modes': list([

tests/components/niko_home_control/test_light.py

@@ -42,7 +42,7 @@ async def test_entities(
 @pytest.mark.parametrize(
     ("light_id", "data", "set_brightness"),
     [
-        (0, {ATTR_ENTITY_ID: "light.light"}, 255),
+        (0, {ATTR_ENTITY_ID: "light.light"}, None),
         (
             1,
             {ATTR_ENTITY_ID: "light.dimmable_light", ATTR_BRIGHTNESS: 50},
@@ -119,7 +119,7 @@ async def test_updating(
     assert hass.states.get("light.light").state == STATE_OFF
 
     assert hass.states.get("light.dimmable_light").state == STATE_ON
-    assert hass.states.get("light.dimmable_light").attributes[ATTR_BRIGHTNESS] == 255
+    assert hass.states.get("light.dimmable_light").attributes[ATTR_BRIGHTNESS] == 100
 
     dimmable_light.state = 204
     await find_update_callback(mock_niko_home_control_connection, 2)(204)