diff --git a/tests/components/devolo_home_network/__init__.py b/tests/components/devolo_home_network/__init__.py
index 9340f7d2283..ac6a960fd8f 100644
--- a/tests/components/devolo_home_network/__init__.py
+++ b/tests/components/devolo_home_network/__init__.py
@@ -14,7 +14,7 @@ def configure_integration(hass: HomeAssistant) -> MockConfigEntry:
         CONF_IP_ADDRESS: IP,
         CONF_PASSWORD: "test",
     }
-    entry = MockConfigEntry(domain=DOMAIN, data=config)
+    entry = MockConfigEntry(domain=DOMAIN, data=config, entry_id="123456")
     entry.add_to_hass(hass)
 
     return entry
diff --git a/tests/components/devolo_home_network/snapshots/test_diagnostics.ambr b/tests/components/devolo_home_network/snapshots/test_diagnostics.ambr
new file mode 100644
index 00000000000..236588b87ad
--- /dev/null
+++ b/tests/components/devolo_home_network/snapshots/test_diagnostics.ambr
@@ -0,0 +1,37 @@
+# serializer version: 1
+# name: test_entry_diagnostics
+  dict({
+    'device_info': dict({
+      'device_api': True,
+      'features': list([
+        'intmtg1',
+        'led',
+        'reset',
+        'restart',
+        'update',
+        'wifi1',
+      ]),
+      'firmware': '5.6.1',
+      'mt_number': '2730',
+      'plcnet_api': True,
+      'product': 'dLAN pro 1200+ WiFi ac',
+    }),
+    'entry': dict({
+      'data': dict({
+        'ip_address': '192.0.2.1',
+        'password': '**REDACTED**',
+      }),
+      'disabled_by': None,
+      'domain': 'devolo_home_network',
+      'entry_id': '123456',
+      'options': dict({
+      }),
+      'pref_disable_new_entities': False,
+      'pref_disable_polling': False,
+      'source': 'user',
+      'title': 'Mock Title',
+      'unique_id': None,
+      'version': 1,
+    }),
+  })
+# ---
diff --git a/tests/components/devolo_home_network/test_diagnostics.py b/tests/components/devolo_home_network/test_diagnostics.py
index f56f73aac0a..0248d755e22 100644
--- a/tests/components/devolo_home_network/test_diagnostics.py
+++ b/tests/components/devolo_home_network/test_diagnostics.py
@@ -2,14 +2,12 @@
 from __future__ import annotations
 
 import pytest
+from syrupy.assertion import SnapshotAssertion
 
-from homeassistant.components.devolo_home_network.diagnostics import TO_REDACT
-from homeassistant.components.diagnostics import REDACTED
 from homeassistant.config_entries import ConfigEntryState
 from homeassistant.core import HomeAssistant
 
 from . import configure_integration
-from .const import DISCOVERY_INFO
 
 from tests.components.diagnostics import get_diagnostics_for_config_entry
 from tests.typing import ClientSessionGenerator
@@ -19,6 +17,7 @@ from tests.typing import ClientSessionGenerator
 async def test_entry_diagnostics(
     hass: HomeAssistant,
     hass_client: ClientSessionGenerator,
+    snapshot: SnapshotAssertion,
 ) -> None:
     """Test config entry diagnostics."""
     entry = configure_integration(hass)
@@ -27,19 +26,5 @@ async def test_entry_diagnostics(
 
     assert entry.state == ConfigEntryState.LOADED
 
-    entry_dict = entry.as_dict()
-    for key in TO_REDACT:
-        entry_dict["data"][key] = REDACTED
-
     result = await get_diagnostics_for_config_entry(hass, hass_client, entry)
-    assert result == {
-        "entry": entry_dict,
-        "device_info": {
-            "mt_number": DISCOVERY_INFO.properties["MT"],
-            "product": DISCOVERY_INFO.properties["Product"],
-            "firmware": DISCOVERY_INFO.properties["FirmwareVersion"],
-            "device_api": True,
-            "plcnet_api": True,
-            "features": DISCOVERY_INFO.properties["Features"].split(","),
-        },
-    }
+    assert result == snapshot