code: def test_query_tasks_range_query_no_task_obj(self):
      _ = self.dal.task.create(self.task_input_dict)
      _ = self.dal.task.create(self.task_input_dict)
      _ = self.dal.task.create(self.task_input_dict)
      tasks = self.dal.task.query(
          {}, sort_key="created_at", sort_order="descending"
      )
      result = self.dal.task.query(
          {
              "created_at": {
                  "$lt": tasks[1].created_at.strftime(
                      "%Y-%m-%dT%H:%M:%S.%fZ"
                  )
              }
          }
      )
      assert len(tasks) == 3
      assert len(result) == 1
  
imports: from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import os
  import tempfile
  import platform
  from datetime import datetime
  from datmo.core.storage.driver.blitzdb_dal_driver import BlitzDBDALDriver
  from datmo.core.storage.local.dal import LocalDAL
  from datmo.core.entity.model import Model
  from datmo.core.entity.task import Task
  from datmo.core.util.exceptions import EntityNotFound, InvalidArgumentType
label_desc: Use image node_id 11 for calling the TestLocalDAL obj's underlying member method code with example usage: obj.test_query_tasks_range_query_no_task_obj() without return types