TF-3515 Integration test save email as template

integration_test/robots/composer_robot.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:model/email/prefix_email_address.dart';
 import 'package:rich_text_composer/rich_text_composer.dart';
+import 'package:tmail_ui_user/features/base/widget/popup_item_widget.dart';
 import 'package:tmail_ui_user/features/composer/presentation/composer_controller.dart';
 import 'package:tmail_ui_user/features/composer/presentation/composer_view.dart';
 import 'package:tmail_ui_user/features/composer/presentation/view/mobile/mobile_editor_view.dart';
@@ -111,4 +112,14 @@ class ComposerRobot extends CoreRobot {
   Future<void> tapFromFieldPopupMenu() async {
     await $(FromComposerMobileWidget).$(InkWell).tap();
   }
+
+  Future<void> saveAsTemplate() async {
+    await $(AppBarComposerWidget)
+      .$(TMailButtonWidget)
+      .which<TMailButtonWidget>((widget) => widget.icon == ImagePaths().icMore)
+      .tap();
+    await $(PopupItemWidget)
+      .$(AppLocalizations().saveAsTemplate)
+      .tap();
+  }
 }

integration_test/scenarios/save_as_template_scenario.dart

@@ -0,0 +1,45 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+
+import '../base/base_test_scenario.dart';
+import '../robots/composer_robot.dart';
+import '../robots/thread_robot.dart';
+
+class SaveAsTemplateScenario extends BaseTestScenario {
+  const SaveAsTemplateScenario(super.$);
+
+  @override
+  Future<void> runTestLogic() async {
+    final threadRobot = ThreadRobot($);
+    final composerRobot = ComposerRobot($);
+    
+    await threadRobot.openComposer();
+    await composerRobot.grantContactPermission();
+    
+    await composerRobot.saveAsTemplate();
+    
+    await _expectSaveToastSuccessVisible();
+
+    await composerRobot.addSubject('test subject');
+    
+    await composerRobot.saveAsTemplate();
+
+    await _expectUpdateToastSuccessVisible();
+  }
+  
+  Future<void> _expectSaveToastSuccessVisible() async {
+    await $(AppLocalizations().saveMessageToTemplateSuccess).waitUntilVisible();
+    expect(
+      $(AppLocalizations().saveMessageToTemplateSuccess).visible, 
+      isTrue,
+    );
+  }
+  
+  Future<void> _expectUpdateToastSuccessVisible() async {
+    await $(AppLocalizations().updateMessageToTemplateSuccess).waitUntilVisible();
+    expect(
+      $(AppLocalizations().updateMessageToTemplateSuccess).visible, 
+      isTrue,
+    );
+  }
+} 

integration_test/tests/composer/save_as_template_test.dart

@@ -0,0 +1,9 @@
+import '../../base/test_base.dart';
+import '../../scenarios/save_as_template_scenario.dart';
+
+void main() {
+  TestBase().runPatrolTest(
+    description: 'Should save email as template successfully',
+    scenarioBuilder: ($) => SaveAsTemplateScenario($),
+  );
+}