code: def _getTempDir(self):
      return tempfile.mkdtemp()
  
file_path: model-analysis/tensorflow_model_analysis/extractors/legacy_feature_extractor_test.py
imports: import os
  import tempfile
  import numpy
  import tensorflow
  from tensorflow_model_analysis import constants
  from tensorflow_model_analysis.api import types
  from tensorflow_model_analysis.eval_saved_model import encoding
  from tensorflow_model_analysis.eval_saved_model import testutil
  from tensorflow_model_analysis.extractors import legacy_feature_extractor
label_desc: Use image node_id 1 for calling the BuildDiagnosticsTableTest obj's underlying member method code with example usage: obj._getTempDir() and returns: tempfile