code: def setUp(self):
      super().setUp()
      # Create input splits.
      test_dir = os.path.join(
          os.environ.get(
              "TEST_UNDECLARED_OUTPUTS_DIR", self.get_temp_dir()
          ),
          self._testMethodName,
      )
      self._input_base_path = os.path.join(test_dir, "input_base")
      fileio.makedirs(self._input_base_path)
  
imports: import os
  import re
  import tensorflow
  from tfx.components.example_gen import utils
  from tfx.dsl.io import fileio
  from tfx.orchestration import data_types
  from tfx.proto import example_gen_pb2
  from tfx.proto import range_config_pb2
  from tfx.utils import io_utils
  from tfx.utils import json_utils
label_desc: Use image node_id 1 for calling the UtilsTest obj's underlying member method code with example usage: obj.setUp() without return types