Use snapshot assertion for wiz diagnostics test (#99154)

tests/components/wiz/snapshots/test_diagnostics.ambr

@@ -0,0 +1,16 @@
+# serializer version: 1
+# name: test_diagnostics
+  dict({
+    'data': dict({
+      'homeId': '**REDACTED**',
+      'mocked': 'mocked',
+      'roomId': '**REDACTED**',
+    }),
+    'entry': dict({
+      'data': dict({
+        'host': '1.1.1.1',
+      }),
+      'title': 'Mock Title',
+    }),
+  })
+# ---

tests/components/wiz/test_diagnostics.py

@@ -1,4 +1,6 @@
 """Test WiZ diagnostics."""
+from syrupy import SnapshotAssertion
+
 from homeassistant.core import HomeAssistant
 
 from . import async_setup_integration
@@ -8,17 +10,11 @@ from tests.typing import ClientSessionGenerator
 
 
 async def test_diagnostics(
-    hass: HomeAssistant, hass_client: ClientSessionGenerator
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    snapshot: SnapshotAssertion,
 ) -> None:
     """Test generating diagnostics for a config entry."""
     _, entry = await async_setup_integration(hass)
-    diag = await get_diagnostics_for_config_entry(hass, hass_client, entry)
 
-    assert diag == {
-        "data": {
-            "homeId": "**REDACTED**",
-            "mocked": "mocked",
-            "roomId": "**REDACTED**",
-        },
-        "entry": {"data": {"host": "1.1.1.1"}, "title": "Mock Title"},
-    }
+    assert await get_diagnostics_for_config_entry(hass, hass_client, entry) == snapshot