refactor: test organisation and service test (#27991)

* refactor: test organisation

# Conflicts:
#	mobile/test/unit/utils/editor_test.dart

* regroup hash_service_test

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>

mobile/test/unit/factories/local_album_factory.dart

@@ -0,0 +1,28 @@
+import 'package:immich_mobile/domain/models/album/local_album.model.dart';
+
+import '../../utils.dart';
+
+class LocalAlbumFactory {
+  const LocalAlbumFactory();
+
+  static LocalAlbum create({
+    String? id,
+    String? name,
+    DateTime? updatedAt,
+    BackupSelection? backupSelection,
+    bool? isIosSharedAlbum,
+    String? linkedRemoteAlbumId,
+    int? assetCount,
+  }) {
+    id = TestUtils.uuid(id);
+    return LocalAlbum(
+      id: id,
+      name: name ?? 'local_album_$id',
+      updatedAt: TestUtils.date(updatedAt),
+      backupSelection: backupSelection ?? BackupSelection.none,
+      isIosSharedAlbum: isIosSharedAlbum ?? false,
+      linkedRemoteAlbumId: linkedRemoteAlbumId,
+      assetCount: assetCount ?? 10,
+    );
+  }
+}

mobile/test/unit/factories/local_asset_factory.dart

@@ -0,0 +1,21 @@
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
+
+import '../../utils.dart';
+
+class LocalAssetFactory {
+  const LocalAssetFactory();
+
+  static LocalAsset create({String? id, String? name}) {
+    id = TestUtils.uuid(id);
+
+    return LocalAsset(
+      id: id,
+      name: name ?? 'local_$id.jpg',
+      type: AssetType.image,
+      createdAt: TestUtils.yesterday(),
+      updatedAt: TestUtils.now(),
+      playbackStyle: AssetPlaybackStyle.image,
+      isEdited: false,
+    );
+  }
+}