def METHOD_NAME(self):
    tasks_to_validate = Task.query.filter(
        Task.project_id == self.test_project.id,
        Task.task_status == TaskStatus.MAPPED.value,
    ).all()
    ValidatorService.validate_all_tasks(self.test_project.id, self.test_user.id)
    for task in tasks_to_validate:
        self.assertIsNotNone(task.mapped_by)
        self.assertEqual(task.validated_by, self.test_user.id)