code: def setUp(self):
      super().setUp()
      self.conn_config = presto_config_pb2.PrestoConnConfig(
          host="localhost", port=8080
      )
  
file_path: tfx/tfx/examples/custom_components/presto_example_gen/presto_component/component_test.py
imports: import tensorflow
  from tfx.examples.custom_components.presto_example_gen.presto_component import component
  from tfx.examples.custom_components.presto_example_gen.proto import presto_config_pb2
  from tfx.proto import example_gen_pb2
  from tfx.types import standard_artifacts
  from tfx.utils import proto_utils
label_desc: Use image node_id 1 for calling the ComponentTest obj's underlying member method code with example usage: obj.setUp() without return types