code: def test_get_cfg_parser(self):
      self.assertRaises(ValueError, self.test_processor.get_parser, {})
      self.assertEqual("", self.test_processor.get_parser(""))
      sent = "Lionel Messi is a football player from Argentina."
      self.assertEqual(
          "(ROOT\n  (S\n    (NP (NNP Lionel) (NNP Messi))\n"
          "    (VP\n      (VBZ is)\n      (NP\n        "
          "(NP (DT a) (NN football) (NN player))\n        "
          "(PP (IN from) (NP (NNP Argentina)))))\n    (. .)))",
          self.test_processor.get_parser(sent),
      )
  
file_path: textflint/test/common/preprocess/test_en_processor.py
imports: import unittest
  from textflint.common.preprocess.en_processor import EnProcessor
label_desc: Use image node_id 8 for calling the TestEnProcessor obj's underlying member method code with example usage: obj.test_get_cfg_parser() without return types