code: def test_get_dict_bad(self):
      v = self.client.load_balanced_view()
      amr = v.map_async(lambda x: x, range(len(self.client) * 2))
      with pytest.raises(ValueError):
          amr.get_dict()
  
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 7 for calling the TestAsyncResult obj's underlying member method code with example usage: obj.test_get_dict_bad() without return types