diff --git a/tests/components/withings/test_sensor.py b/tests/components/withings/test_sensor.py
index 3a937a5f686..c7bd86a219c 100644
--- a/tests/components/withings/test_sensor.py
+++ b/tests/components/withings/test_sensor.py
@@ -7,15 +7,11 @@ from freezegun.api import FrozenDateTimeFactory
 import pytest
 from syrupy import SnapshotAssertion
 
-from homeassistant.components.sensor import DOMAIN as SENSOR_DOMAIN
-from homeassistant.components.withings.const import DOMAIN
-from homeassistant.components.withings.sensor import MEASUREMENT_SENSORS, SLEEP_SENSORS
-from homeassistant.const import STATE_UNAVAILABLE
+from homeassistant.const import STATE_UNAVAILABLE, Platform
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
 
 from . import setup_integration
-from .conftest import USER_ID
 
 from tests.common import (
     MockConfigEntry,
@@ -24,19 +20,6 @@ from tests.common import (
 )
 
 
-async def async_get_entity_id(
-    hass: HomeAssistant,
-    key: str,
-    user_id: int,
-    platform: str,
-) -> str | None:
-    """Get an entity id for a user's attribute."""
-    entity_registry = er.async_get(hass)
-    unique_id = f"withings_{user_id}_{key}"
-
-    return entity_registry.async_get_entity_id(platform, DOMAIN, unique_id)
-
-
 @pytest.mark.usefixtures("entity_registry_enabled_by_default")
 async def test_all_entities(
     hass: HomeAssistant,
@@ -46,10 +29,14 @@ async def test_all_entities(
 ) -> None:
     """Test all entities."""
     await setup_integration(hass, polling_config_entry)
+    entity_registry = er.async_get(hass)
+    entities = er.async_entries_for_config_entry(
+        entity_registry, polling_config_entry.entry_id
+    )
 
-    for sensor in MEASUREMENT_SENSORS + SLEEP_SENSORS:
-        entity_id = await async_get_entity_id(hass, sensor.key, USER_ID, SENSOR_DOMAIN)
-        assert hass.states.get(entity_id) == snapshot
+    for entity in entities:
+        if entity.platform == Platform.SENSOR:
+            assert hass.states.get(entity.entity_id) == snapshot
 
 
 async def test_update_failed(