code: def test_get_words(self):
      # test get words
      self.assertEqual(
          [
              "EU",
              "rejects",
              "German",
              "call",
              "to",
              "boycott",
              "British",
              "lamb",
              ".",
          ],
          ner_sample.get_words("text"),
      )
      self.assertRaises(AssertionError, ner_sample.get_words, "tags")
  
file_path: textflint/test/input/component/sample/test_ner_sample.py
imports: import unittest
  from textflint.input.component.sample.ner_sample import *
label_desc: Use image node_id 9 for calling the TestNERSample obj's underlying member method code with example usage: obj.test_get_words() without return types