diff --git a/example/integration_test/integration_test.dart b/example/integration_test/integration_test.dart
index 43e10663..ee552331 100644
--- a/example/integration_test/integration_test.dart
+++ b/example/integration_test/integration_test.dart
@@ -5,10 +5,13 @@ import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:gal/gal.dart';
 
+/// Integration_test is required to test native code,
+/// but it is not necessary to build the widget.
 Future<void> main() async {
-  for (var i = 0; i < 2; i++) {
-    final toAlbum = i == 0 ? false : true;
-    final album = toAlbum ? 'Album' : null;
+  for (var i = 0; i < TestCase.values.length; i++) {
+    final testCase = TestCase.values[i];
+    final toAlbum = testCase.toAlbum;
+    final album = testCase.album;
 
     await run('hasAccess(toAlbum: $toAlbum)',
         () async => Gal.hasAccess(toAlbum: toAlbum));
@@ -68,3 +71,18 @@ Future<Uint8List> getBytesData(String path) async {
       .asUint8List(byteData.offsetInBytes, byteData.lengthInBytes);
   return Uint8List.fromList(uint8List);
 }
+
+enum TestCase {
+  saveToAlbum,
+  notSaveToAlbum;
+
+  bool get toAlbum => switch (this) {
+        saveToAlbum => true,
+        notSaveToAlbum => false,
+      };
+
+  String? get album => switch (this) {
+        saveToAlbum => 'toAlbum',
+        notSaveToAlbum => null,
+      };
+}
diff --git a/lib/src/gal_platform_interface.dart b/lib/src/gal_platform_interface.dart
index 462a2738..864b4e26 100644
--- a/lib/src/gal_platform_interface.dart
+++ b/lib/src/gal_platform_interface.dart
@@ -2,7 +2,8 @@ import 'dart:typed_data';
 
 import 'gal_method_channel.dart';
 
-/// Plugin Platform Interface
+/// Plugin Platform Interface to to allow Non-endorsed federated plugin
+/// See: [PR](https://github.com/natsuk4ze/gal/pull/180)
 base class GalPlatform {
   const GalPlatform();
   static GalPlatform instance = MethodChannelGal();