TF-3570 Add integration test for case mark as unread in EmailView

Signed-off-by: dab246 <tdvu@linagora.com>

integration_test/robots/email_robot.dart

@@ -32,4 +32,12 @@ class EmailRobot extends CoreRobot {
   Future<void> onTapBackButton() async {
     await $(find.byType(EmailViewBackButton)).first.tap();
   }
+
+  Future<void> tapEmailDetailedMoreButton() async {
+    await $(#email_detailed_more_button).tap();
+  }
+
+  Future<void> tapMarkAsUnreadOptionInContextMenu() async {
+    await $(#markAsUnread_action).tap();
+  }
 }

integration_test/scenarios/email_detailed/mark_as_unread_email_scenario.dart

@@ -0,0 +1,66 @@
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tmail_ui_user/features/email/presentation/email_view.dart';
+import 'package:tmail_ui_user/features/thread/presentation/widgets/email_tile_builder.dart';
+
+import '../../base/base_test_scenario.dart';
+import '../../models/provisioning_email.dart';
+import '../../robots/email_robot.dart';
+import '../../robots/thread_robot.dart';
+
+class MarkAsUnreadEmailScenario extends BaseTestScenario {
+
+  const MarkAsUnreadEmailScenario(super.$);
+
+  @override
+  Future<void> runTestLogic() async {
+    const subject = 'Mark as unread email';
+    const emailUser = String.fromEnvironment('BASIC_AUTH_EMAIL');
+    final threadRobot = ThreadRobot($);
+    final emailRobot = EmailRobot($);
+
+    await provisionEmail(
+      [
+        ProvisioningEmail(
+          toEmail: emailUser,
+          subject: subject,
+          content: subject,
+        ),
+      ],
+      requestReadReceipt: false,
+    );
+    await $.pumpAndSettle();
+
+    await threadRobot.openEmailWithSubject(subject);
+    await $.pumpAndSettle();
+    _expectEmailDetailedMoreButtonVisible();
+
+    await emailRobot.tapEmailDetailedMoreButton();
+    await $.pumpAndSettle(duration: const Duration(seconds: 2));
+
+    await emailRobot.tapMarkAsUnreadOptionInContextMenu();
+    await $.pumpAndSettle(duration: const Duration(seconds: 3));
+
+    _expectEmailViewInvisible();
+    await _expectDisplayedEmailHasUnreadIcon(subject);
+  }
+
+  void _expectEmailDetailedMoreButtonVisible() {
+    expect($(#email_detailed_more_button), findsOneWidget);
+  }
+
+  void _expectEmailViewInvisible() {
+    expect($(EmailView).visible, isFalse);
+  }
+
+  Future<void> _expectDisplayedEmailHasUnreadIcon(String subject) async {
+    await expectViewVisible(
+      $(EmailTileBuilder)
+          .which<EmailTileBuilder>(
+              (widget) => widget.presentationEmail.subject == subject
+              && !widget.presentationEmail.hasRead
+      ),
+    );
+    await expectViewVisible($(#unread_status_icon));
+  }
+}

integration_test/tests/email_detailed/mark_as_unread_email_when_open_detailed_email_test.dart

@@ -0,0 +1,9 @@
+import '../../base/test_base.dart';
+import '../../scenarios/email_detailed/mark_as_unread_email_scenario.dart';
+
+void main() {
+  TestBase().runPatrolTest(
+    description: 'Should see email item has unread icon when open detailed email and select mark as unread email successfully',
+    scenarioBuilder: ($) => MarkAsUnreadEmailScenario($),
+  );
+}

lib/features/email/presentation/widgets/email_view_app_bar_widget.dart

@@ -220,6 +220,7 @@ class EmailViewAppBarWidget extends StatelessWidget {
     AppLocalizations applocalizations,
     bool isScreenWithShortestSide,
   ) => TMailButtonWidget.fromIcon(
+    key: const Key('email_detailed_more_button'),
     icon: _imagePaths.icMoreVertical,
     iconSize: EmailViewAppBarWidgetStyles.buttonIconSize,
     iconColor: EmailViewAppBarWidgetStyles.iconColor,

lib/features/thread/presentation/mixin/base_email_item_tile.dart

@@ -208,6 +208,7 @@ mixin BaseEmailItemTile {
 
   Widget buildIconUnreadStatus() {
     return SvgPicture.asset(
+      key: const Key('unread_status_icon'),
       imagePaths.icUnreadStatus,
       width: 9,
       height: 9,

lib/features/thread/presentation/widgets/email_tile_builder.dart

@@ -1,6 +1,5 @@
 import 'package:core/presentation/extensions/color_extension.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter_svg/flutter_svg.dart';
 import 'package:model/email/email_action_type.dart';
 import 'package:model/email/presentation_email.dart';
 import 'package:model/mailbox/presentation_mailbox.dart';
@@ -73,11 +72,8 @@ class EmailTileBuilder extends StatelessWidget with BaseEmailItemTile {
             if (!presentationEmail.hasRead)
               Padding(
                   padding: const EdgeInsetsDirectional.only(end: 5),
-                  child: SvgPicture.asset(
-                      imagePaths.icUnreadStatus,
-                      width: 9,
-                      height: 9,
-                      fit: BoxFit.fill)),
+                  child: buildIconUnreadStatus(),
+              ),
             Expanded(child: buildInformationSender(
               context,
               presentationEmail,