code: def test_get_replacement_words(self):
      pass
  
file_path: textflint/test/generation/transformation/NERCN/test_nercn_ent_typos.py
imports: import unittest
  from textflint.input.component.sample.nercn_sample import NERCnSample
  from textflint.generation.transformation.NERCN.ent_typos import EntTypos, _replace_cn
  from textflint.common.utils.word_op import *
label_desc: Use image node_id 3 for calling the TestSpecialEntityTyposSwap obj's underlying member method code with example usage: obj.test_get_replacement_words() without return types