code: def test_init(self):
      stopping_criterion = OverallUncertainty(2)
  
      self.assertEqual(2, stopping_criterion.num_classes)
      self.assertEqual(0.05, stopping_criterion.threshold)
  
file_path: small-text/tests/unit/small_text/stopping_criteria/test_uncertainty.py
imports: import unittest
  import numpy
  from small_text.stopping_criteria.uncertainty import OverallUncertainty
label_desc: Use image node_id 1 for calling the OverallUncertaintyTest obj's underlying member method code with example usage: obj.test_init() without return types