class_docstr: Test class for third set of voting learner API tests.
code: def tearDown(cls):
      for output_file_path in output_dir.glob("test_predict_voting*"):
          output_file_path.unlink()
  
file_path: skll/tests/test_voting_learners_api_3.py
imports: import unittest
  from itertools import product
  from pathlib import Path
  import numpy
  from numpy.testing import assert_array_almost_equal, assert_array_equal
  from sklearn.ensemble import VotingClassifier, VotingRegressor
  from skll.learner.voting import VotingLearner
  from skll.utils.testing import make_california_housing_data, make_digits_data, other_dir, output_dir
label_desc: Use image node_id 2 for calling the TestVotingLearnersAPIThree obj's underlying member method code with example usage: obj.tearDown(cls) without return types