Remove setup_platform for demo (#100867)

tests/components/demo/test_remote.py

@@ -1,4 +1,6 @@
 """The tests for the demo remote component."""
+from unittest.mock import patch
+
 import pytest
 
 import homeassistant.components.remote as remote
@@ -9,6 +11,7 @@ from homeassistant.const import (
     SERVICE_TURN_ON,
     STATE_OFF,
     STATE_ON,
+    Platform,
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.setup import async_setup_component
@@ -17,8 +20,18 @@ ENTITY_ID = "remote.remote_one"
 SERVICE_SEND_COMMAND = "send_command"
 
 
+@pytest.fixture
+async def remote_only() -> None:
+    """Enable only the datetime platform."""
+    with patch(
+        "homeassistant.components.demo.COMPONENTS_WITH_CONFIG_ENTRY_DEMO_PLATFORM",
+        [Platform.REMOTE],
+    ):
+        yield
+
+
 @pytest.fixture(autouse=True)
-async def setup_component(hass, disable_platforms):
+async def setup_component(hass: HomeAssistant, remote_only: None):
     """Initialize components."""
     assert await async_setup_component(
         hass, remote.DOMAIN, {"remote": {"platform": "demo"}}