TF-4308 Add E2E tests for ChooseLabelModal and NoLabelYetWidget

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

integration_test/robots/labels/choose_label_modal_robot.dart

@@ -0,0 +1,35 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tmail_ui_user/features/labels/presentation/widgets/choose_label_modal.dart';
+import 'package:tmail_ui_user/features/labels/presentation/widgets/no_label_yet_widget.dart';
+import 'package:tmail_ui_user/features/mailbox/presentation/widgets/labels/label_list_item.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+
+import '../../base/core_robot.dart';
+
+class ChooseLabelModalRobot extends CoreRobot {
+  ChooseLabelModalRobot(super.$);
+
+  Future<void> tapCreateALabelButton() async {
+    await $(ChooseLabelModal)
+        .$(find.text(AppLocalizations().createALabel))
+        .tap();
+  }
+
+  Future<void> tapLabelByName(String name) async {
+    final item = $(ChooseLabelModal).$(LabelListItem).$(name);
+    await $.scrollUntilVisible(finder: item);
+    await item.tap();
+  }
+
+  Future<void> tapAddLabelButton() async {
+    await $(ChooseLabelModal)
+        .$(find.text(AppLocalizations().addLabel))
+        .tap();
+  }
+
+  bool get isNoLabelYetWidgetVisible =>
+      $(ChooseLabelModal).$(NoLabelYetWidget).visible;
+
+  bool get isLabelListVisible =>
+      $(ChooseLabelModal).$(LabelListItem).visible;
+}

integration_test/robots/thread_robot.dart

@@ -117,6 +117,12 @@ class ThreadRobot extends CoreRobot {
     await $.pumpAndSettle(duration: const Duration(seconds: 2));
   }
 
+  Future<void> tapLabelAsButton() async {
+    await $(#moreAction_selected_email_button).tap();
+    await $.pumpAndTrySettle();
+    await $(#labelAs_action).tap();
+  }
+
   Future<void> tapEmptySpamAfterLongPress() async {
     await $(AppLocalizations().deleteAllSpamEmails).tap();
   }