diff --git a/tests/components/openai_conversation/test_init.py b/tests/components/openai_conversation/test_init.py
index 1b9f81f60c0..1b145d9d545 100644
--- a/tests/components/openai_conversation/test_init.py
+++ b/tests/components/openai_conversation/test_init.py
@@ -22,11 +22,13 @@ async def test_default_prompt(
     snapshot: SnapshotAssertion,
 ) -> None:
     """Test that the default prompt works."""
+    entry = MockConfigEntry(title=None)
+    entry.add_to_hass(hass)
     for i in range(3):
         area_registry.async_create(f"{i}Empty Area")
 
     device_registry.async_get_or_create(
-        config_entry_id="1234",
+        config_entry_id=entry.entry_id,
         connections={("test", "1234")},
         name="Test Device",
         manufacturer="Test Manufacturer",
@@ -35,7 +37,7 @@ async def test_default_prompt(
     )
     for i in range(3):
         device_registry.async_get_or_create(
-            config_entry_id="1234",
+            config_entry_id=entry.entry_id,
             connections={("test", f"{i}abcd")},
             name="Test Service",
             manufacturer="Test Manufacturer",
@@ -44,7 +46,7 @@ async def test_default_prompt(
             entry_type=dr.DeviceEntryType.SERVICE,
         )
     device_registry.async_get_or_create(
-        config_entry_id="1234",
+        config_entry_id=entry.entry_id,
         connections={("test", "5678")},
         name="Test Device 2",
         manufacturer="Test Manufacturer 2",
@@ -52,7 +54,7 @@ async def test_default_prompt(
         suggested_area="Test Area 2",
     )
     device_registry.async_get_or_create(
-        config_entry_id="1234",
+        config_entry_id=entry.entry_id,
         connections={("test", "9876")},
         name="Test Device 3",
         manufacturer="Test Manufacturer 3",
@@ -60,13 +62,13 @@ async def test_default_prompt(
         suggested_area="Test Area 2",
     )
     device_registry.async_get_or_create(
-        config_entry_id="1234",
+        config_entry_id=entry.entry_id,
         connections={("test", "qwer")},
         name="Test Device 4",
         suggested_area="Test Area 2",
     )
     device = device_registry.async_get_or_create(
-        config_entry_id="1234",
+        config_entry_id=entry.entry_id,
         connections={("test", "9876-disabled")},
         name="Test Device 3",
         manufacturer="Test Manufacturer 3",
@@ -77,14 +79,14 @@ async def test_default_prompt(
         device.id, disabled_by=dr.DeviceEntryDisabler.USER
     )
     device_registry.async_get_or_create(
-        config_entry_id="1234",
+        config_entry_id=entry.entry_id,
         connections={("test", "9876-no-name")},
         manufacturer="Test Manufacturer NoName",
         model="Test Model NoName",
         suggested_area="Test Area 2",
     )
     device_registry.async_get_or_create(
-        config_entry_id="1234",
+        config_entry_id=entry.entry_id,
         connections={("test", "9876-integer-values")},
         name=1,
         manufacturer=2,