code: def _validate_stats_output(self, stats_path):
      self.assertTrue(fileio.exists(stats_path))
      stats = tfdv.load_stats_binary(stats_path)
      self._validate_stats(stats)
  
imports: import os
  import tempfile
  from absl.testing import absltest
  from absl.testing import parameterized
  import tensorflow_data_validation
  from tfx.components.statistics_gen import executor
  from tfx.components.util import examples_utils
  from tfx.dsl.io import fileio
  from tfx.types import artifact_utils
  from tfx.types import standard_artifacts
  from tfx.types import standard_component_specs
  from tfx.utils import json_utils
  from tensorflow_metadata.proto.v0 import schema_pb2
label_desc: Use image node_id 3 for calling the ExecutorTest obj's underlying member method code with example usage: obj._validate_stats_output(stats_path) without return types