Improve Tado switch tests (#149810)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

tests/components/tado/snapshots/test_switch.ambr

@@ -0,0 +1,49 @@
+# serializer version: 1
+# name: test_entities[switch.baseboard_heater_child_lock-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'switch',
+    'entity_category': None,
+    'entity_id': 'switch.baseboard_heater_child_lock',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Child lock',
+    'platform': 'tado',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'child_lock',
+    'unique_id': '1 1 child-lock',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_entities[switch.baseboard_heater_child_lock-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Baseboard Heater Child lock',
+    }),
+    'context': <ANY>,
+    'entity_id': 'switch.baseboard_heater_child_lock',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---

tests/components/tado/test_switch.py

@@ -1,28 +1,45 @@
-"""The sensor tests for the tado platform."""
+"""The switch tests for the tado platform."""
 
+from collections.abc import AsyncGenerator
 from unittest.mock import patch
 
 import pytest
+from syrupy.assertion import SnapshotAssertion
 
 from homeassistant.components.switch import (
     DOMAIN as SWITCH_DOMAIN,
     SERVICE_TURN_OFF,
     SERVICE_TURN_ON,
 )
-from homeassistant.const import ATTR_ENTITY_ID, STATE_OFF
+from homeassistant.components.tado import DOMAIN
+from homeassistant.const import ATTR_ENTITY_ID, Platform
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
 
 from .util import async_init_integration
 
+from tests.common import MockConfigEntry, snapshot_platform
+
 CHILD_LOCK_SWITCH_ENTITY = "switch.baseboard_heater_child_lock"
 
 
-async def test_child_lock(hass: HomeAssistant) -> None:
+@pytest.fixture(autouse=True)
-    """Test creation of child lock entity."""
+def setup_platforms() -> AsyncGenerator[None]:
+    """Set up the platforms for the tests."""
+    with patch("homeassistant.components.tado.PLATFORMS", [Platform.SWITCH]):
+        yield
+
+
+async def test_entities(
+    hass: HomeAssistant, entity_registry: er.EntityRegistry, snapshot: SnapshotAssertion
+) -> None:
+    """Test creation of switch entities."""
 
     await async_init_integration(hass)
-    state = hass.states.get(CHILD_LOCK_SWITCH_ENTITY)
+
-    assert state.state == STATE_OFF
+    config_entry: MockConfigEntry = hass.config_entries.async_entries(DOMAIN)[0]
+
+    await snapshot_platform(hass, entity_registry, snapshot, config_entry.entry_id)
 
 
 @pytest.mark.parametrize(