Adjust conversation tests which create devices (#98185)

tests/components/conversation/test_default_agent.py

@@ -20,7 +20,7 @@ from homeassistant.setup import async_setup_component
 
 from . import expose_entity
 
-from tests.common import async_mock_service
+from tests.common import MockConfigEntry, async_mock_service
 
 
 @pytest.fixture
@@ -86,8 +86,12 @@ async def test_exposed_areas(
     area_kitchen = area_registry.async_get_or_create("kitchen")
     area_bedroom = area_registry.async_get_or_create("bedroom")
 
+    entry = MockConfigEntry()
+    entry.add_to_hass(hass)
     kitchen_device = device_registry.async_get_or_create(
-        config_entry_id="1234", connections=set(), identifiers={("demo", "id-1234")}
+        config_entry_id=entry.entry_id,
+        connections=set(),
+        identifiers={("demo", "id-1234")},
     )
     device_registry.async_update_device(kitchen_device.id, area_id=area_kitchen.id)
 

tests/components/conversation/test_init.py

@@ -1409,6 +1409,7 @@ async def test_turn_on_area(
 ) -> None:
     """Test turning on an area."""
     entry = MockConfigEntry(domain="test")
+    entry.add_to_hass(hass)
 
     device = device_registry.async_get_or_create(
         config_entry_id=entry.entry_id,
@@ -1480,6 +1481,7 @@ async def test_light_area_same_name(
 ) -> None:
     """Test turning on a light with the same name as an area."""
     entry = MockConfigEntry(domain="test")
+    entry.add_to_hass(hass)
 
     device = device_registry.async_get_or_create(
         config_entry_id=entry.entry_id,