TF-3611 E2E Trash mailbox empty and recover

integration_test/robots/mailbox_menu_robot.dart

@@ -125,4 +125,16 @@ class MailboxMenuRobot extends CoreRobot {
     getBinding<QuotasController>()?.reloadQuota();
     await $.pumpAndSettle(duration: const Duration(seconds: 2));
   }
+
+  Future<void> tapRecoverDeletedMessages() async {
+    await $(AppLocalizations().recoverDeletedMessages).tap();
+  }
+
+  Future<void> tapConfirmRecoverDeletedMessages() async {
+    if (await $.native.isPermissionDialogVisible(timeout: const Duration(seconds: 2))) {
+      await $.native.grantPermissionWhenInUse();
+    }
+    await $(AppLocalizations().restore).tap();
+    await $.pumpAndSettle();
+  }
 }

integration_test/robots/thread_robot.dart

@@ -82,4 +82,8 @@ class ThreadRobot extends CoreRobot {
     await $(name).tap();
     await $.pumpAndSettle();
   }
+
+  Future<void> confirmEmptyTrash() async {
+    await $(AppLocalizations().delete_all).tap();
+  }
 }