code: def setUp(self):
      super().setUp()
      self._pipeline_backend = pipeline_dp.LocalBackend()
  
imports: from absl.testing import absltest
  from absl.testing import parameterized
  import pipeline_dp
  from utility_analysis import peeker_engine
label_desc: Use image node_id 1 for calling the PeekerDpEngineTest obj's underlying member method code with example usage: obj.setUp() without return types