class_docstr: DataQueue test
code: def _internal_get_dict(self, DataQueueClass):
      input_que = DataQueueClass(
          [("url", ColumnType.SCALAR), ("image", ColumnType.QUEUE)]
      )
      self.assertTrue(input_que.put(("1", "2")))
      self.assertEqual(input_que.size, 1)
      data = input_que.get_dict()
      self.assertEqual(data, {"url": "1", "image": "2"})
      self.assertEqual(input_que.size, 0)
  
imports: import unittest
  import threading
  import time
  from functools import partial
  from towhee.runtime.data_queue import DataQueue, ColumnType, Empty
label_desc: Use image node_id 8 for calling the TestDataQueue obj's underlying member method code with example usage: obj._internal_get_dict(DataQueueClass) without return types