code: def _getEvalExportDir(self):
      return os.path.join(self._getTempDir(), "eval_export_dir")
  
imports: import os
  from absl.testing import parameterized
  import apache_beam
  from apache_beam.testing import util
  import tensorflow
  from tensorflow_model_analysis import constants
  from tensorflow_model_analysis.api import model_eval_lib
  from tensorflow_model_analysis.eval_saved_model import testutil
  from tensorflow_model_analysis.eval_saved_model.example_trainers import batch_size_limited_classifier
  from tensorflow_model_analysis.eval_saved_model.example_trainers import fake_multi_examples_per_input_estimator
  from tensorflow_model_analysis.eval_saved_model.example_trainers import linear_classifier
  from tensorflow_model_analysis.extractors import legacy_predict_extractor
  from tensorflow_model_analysis.proto import config_pb2
  from tfx_bsl.tfxio import raw_tf_record
label_desc: Use image node_id 1 for calling the PredictExtractorTest obj's underlying member method code with example usage: obj._getEvalExportDir() and returns: os