class_docstr: Test class for first set of voting learner API tests.
docstr: Clean up after tests.
docstr_tok: ["Clean","up","after","tests","."]
code: def tearDownClass(cls):
      """Clean up after tests."""
      for model_path in [
          Path("test_current_directory.model"),
          output_dir / "test_other_directory.model",
      ]:
          if model_path.exists():
              model_path.unlink()
  
imports: import unittest
  from itertools import product
  from pathlib import Path
  import numpy
  from numpy.testing import assert_raises_regex
  from sklearn.ensemble import RandomForestRegressor, VotingClassifier, VotingRegressor
  from sklearn.linear_model import LinearRegression, LogisticRegression
  from sklearn.naive_bayes import MultinomialNB
  from sklearn.pipeline import Pipeline
  from sklearn.svm import SVC, SVR
  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 TestVotingLearnersAPIOne obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types