diff --git a/tests/components/nam/test_sensor.py b/tests/components/nam/test_sensor.py
index 5254c444434..2b307b4b02a 100644
--- a/tests/components/nam/test_sensor.py
+++ b/tests/components/nam/test_sensor.py
@@ -24,7 +24,11 @@ from homeassistant.util.dt import utcnow
 
 from . import INCOMPLETE_NAM_DATA, init_integration
 
-from tests.common import async_fire_time_changed, load_json_object_fixture
+from tests.common import (
+    async_fire_time_changed,
+    load_json_object_fixture,
+    snapshot_platform,
+)
 
 
 async def test_sensor(
@@ -41,13 +45,7 @@ async def test_sensor(
     with patch("homeassistant.components.nam.PLATFORMS", [Platform.SENSOR]):
         entry = await init_integration(hass)
 
-    entity_entries = er.async_entries_for_config_entry(entity_registry, entry.entry_id)
-
-    assert entity_entries
-    for entity_entry in entity_entries:
-        assert entity_entry == snapshot(name=f"{entity_entry.entity_id}-entry")
-        assert (state := hass.states.get(entity_entry.entity_id))
-        assert state == snapshot(name=f"{entity_entry.entity_id}-state")
+    await snapshot_platform(hass, entity_registry, snapshot, entry.entry_id)
 
 
 async def test_sensor_disabled(