code: def test_owner_pop(self):
      self.minimum_engines(1)
  
      view = self.client[-1]
      ar = view.apply_async(lambda: 1)
      ar.get()
      ar.wait_for_output()
      msg_id = ar.msg_ids[0]
      assert msg_id not in self.client.results
      assert msg_id not in self.client.metadata
  
imports: import os
  import time
  from datetime import datetime
  import pytest
  from IPython.utils.io import capture_output
  import ipyparallel
  from ipyparallel import error
  from .clienttest import ClusterTestCase, raises_remote
label_desc: Use image node_id 29 for calling the TestAsyncResult obj's underlying member method code with example usage: obj.test_owner_pop() without return types