code: def test_init(self):
      stopping_criterion = KappaAverage(2)
  
      self.assertEqual([], stopping_criterion.kappa_history)
      self.assertEqual(3, stopping_criterion.window_size)
      self.assertEqual(0.99, stopping_criterion.kappa)
      self.assertEqual(2, stopping_criterion.num_classes)
  
imports: import unittest
  import numpy
  from numpy.testing import assert_array_equal
  from small_text.stopping_criteria.kappa import KappaAverage, _adapted_cohen_kappa_score
label_desc: Use image node_id 1 for calling the KappaAverageTest obj's underlying member method code with example usage: obj.test_init() without return types