code: def test_if_mlknn_works_with_cross_validation(self):
      for classifier in self.classifiers():
          self.assertClassifierWorksWithCV(classifier)
  
file_path: scikit-multilearn/skmultilearn/adapt/tests/test_mlknn.py
imports: import unittest
  from skmultilearn.adapt import MLkNN
  from skmultilearn.tests.classifier_basetest import ClassifierBaseTest
label_desc: Use image node_id 4 for calling the MLkNNTest obj's underlying member method code with example usage: obj.test_if_mlknn_works_with_cross_validation() without return types