code: def test_multilabel_target_on_request(self):
      _, y = load_robot_execution_failures(
          multiclass=True, file_name=self.temporary_file
      )
  
      assert len(y.unique()) > 2
      assert y.dtype == object
  
file_path: tsfresh/tests/integrations/examples/test_robot_execution_failures.py
imports: import os
  import shutil
  import tempfile
  from unittest import TestCase
  import numpy
  from pandas import DataFrame, Series
  from tsfresh import extract_features
  from tsfresh.examples.robot_execution_failures import download_robot_execution_failures, load_robot_execution_failures
label_desc: Use image node_id 6 for calling the RobotExecutionFailuresTestCase obj's underlying member method code with example usage: obj.test_multilabel_target_on_request() without return types