TF-4373 Add E2E test for test case delete thread to trash on mobile

integration_test/mixin/setting_scenario_mixin.dart

@@ -42,4 +42,17 @@ mixin SettingScenarioMixin on BaseScenario {
   ) async {
     await expectViewVisible($(find.text(appLocalizations.language)));
   }
+
+  Future<void> goToSettingToEnableThread({
+    required ThreadRobot threadRobot,
+    required SettingRobot settingRobot,
+    required MailboxMenuRobot mailboxMenuRobot,
+  }) async {
+    await threadRobot.openMailbox();
+    await mailboxMenuRobot.openSetting();
+    await settingRobot.openPreferencesMenuItem();
+    await settingRobot.switchOnThreadSetting();
+    await settingRobot.backToSettingsFromFirstLevel();
+    await settingRobot.closeSettings();
+  }
 }

integration_test/robots/email_robot.dart

@@ -95,4 +95,8 @@ class EmailRobot extends CoreRobot {
         .$(InkWell)
         .tap();
   }
+
+  Future<void> tapDeleteThreadButton() async {
+    await $(#delete_thread_button).tap();
+  }
 }

integration_test/scenarios/email_detailed/delete_thread_to_trash_scenario.dart

@@ -0,0 +1,51 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+
+import '../../base/base_test_scenario.dart';
+import '../../mixin/generate_email_scenario_mixin.dart';
+import '../../mixin/setting_scenario_mixin.dart';
+import '../../robots/email_robot.dart';
+import '../../robots/mailbox_menu_robot.dart';
+import '../../robots/setting_robot.dart';
+import '../../robots/thread_robot.dart';
+
+class DeleteThreadToTrashScenario extends BaseTestScenario
+    with GenerateEmailScenarioMixin, SettingScenarioMixin {
+  const DeleteThreadToTrashScenario(super.$);
+
+  @override
+  Future<void> runTestLogic() async {
+    const subject = 'Delete thread to trash';
+    const emailUser = String.fromEnvironment('BASIC_AUTH_EMAIL');
+
+    final threadRobot = ThreadRobot($);
+    final settingRobot = SettingRobot($);
+    final mailboxMenuRobot = MailboxMenuRobot($);
+    final emailRobot = EmailRobot($);
+    final appLocalizations = AppLocalizations();
+
+    await goToSettingToEnableThread(
+      threadRobot: threadRobot,
+      settingRobot: settingRobot,
+      mailboxMenuRobot: mailboxMenuRobot,
+    );
+
+    await generateEmailWithSubject(emailUser: emailUser, subject: subject);
+
+    await threadRobot.openEmailWithSubject(subject);
+    await $.pumpAndSettle();
+
+    await emailRobot.tapDeleteThreadButton();
+    await $.pumpAndSettle();
+
+    await _expectDeleteThreadSuccessToast(appLocalizations);
+  }
+
+  Future<void> _expectDeleteThreadSuccessToast(
+    AppLocalizations appLocalizations,
+  ) async {
+    await expectViewVisible(
+      $(find.text(appLocalizations.moved_to_trash)),
+    );
+  }
+}

integration_test/tests/email_detailed/delete_thread_to_trash_test.dart

@@ -0,0 +1,10 @@
+import '../../base/test_base.dart';
+import '../../scenarios/email_detailed/delete_thread_to_trash_scenario.dart';
+
+void main() {
+  TestBase().runPatrolTest(
+    description:
+        'Should see toast message success when open detailed email and delete thread successfully',
+    scenarioBuilder: ($) => DeleteThreadToTrashScenario($),
+  );
+}

lib/features/thread_detail/presentation/widgets/thread_detail_app_bar.dart

@@ -68,6 +68,7 @@ class ThreadDetailAppBar extends StatelessWidget {
         onTapActionCallback: (_) => onThreadActionClick?.call(EmailActionType.moveToMailbox),
       ),
       _ThreadDetailAppBarButton(
+        key: const Key('delete_thread_button'),
         icon: imagePaths.icDeleteComposer,
         iconColor: threadDetailCanPermanentlyDelete
             ? AppColor.redFF3347
@@ -183,6 +184,7 @@ class ThreadDetailAppBar extends StatelessWidget {
 
 class _ThreadDetailAppBarButton extends StatelessWidget {
   const _ThreadDetailAppBarButton({
+    super.key,
     required this.icon,
     required this.tooltipMessage,
     required this.onTapActionCallback,