TF-4229 Add integration test on mobile for case search_email_with_tag_scenario

integration_test/robots/label_list_context_menu_robot.dart

@@ -0,0 +1,14 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tmail_ui_user/features/base/widget/context_menu/context_menu_dialog_item.dart';
+
+import '../base/core_robot.dart';
+
+class LabelListContextMenuRobot extends CoreRobot {
+  LabelListContextMenuRobot(super.$);
+
+  Future<void> selectLabelByName(String name) async {
+    final item = $(ContextMenuDialogItem).$(name);
+    await $.scrollUntilVisible(finder: item);
+    await item.tap();
+  }
+}

integration_test/robots/search_robot.dart

@@ -95,4 +95,8 @@ class SearchRobot extends CoreRobot {
     );
     await $(#mobile_hasAttachment_search_filter_button).tap();
   }
+
+  Future<void> openLabelListModal() async {
+    await $(#mobile_labels_search_filter_button).tap();
+  }
 }