code: def test_classifier(self):
      lc = OffensiveLanguageClassifier()
      for phrase in DEFINITELY_BAD:
          assert phrase in lc, f"`{phrase}` is offensive"
      for phrase in PROBABLY_BAD:
          assert phrase in lc, f"`{phrase}` is offensive"
      for phrase in DEFINITELY_GOOD:
          assert phrase not in lc, f"`{phrase}` is not offensive"
  
file_path: ParlAI/tests/nightly/gpu/test_safety_modules.py
imports: from parlai.utils.safety import OffensiveLanguageClassifier
  from parlai.utils.safety import OffensiveStringMatcher
  from parlai.utils.testing import skipUnlessBPE, skipUnlessGPU
  import unittest
label_desc: Use image node_id 2 for calling the TestSafetyModules obj's underlying member method code with example usage: obj.test_classifier() without return types