code: def test_1line_bsf(self):
      bsf = "T1	PERS 103 118	Василь Нагірний"
      res = parse_bsf(bsf)
      expected = BsfInfo("T1", "PERS", 103, 118, "Василь Нагірний")
      self.assertEqual(len(res), 1)
      self.assertEqual(res, [expected])
  
file_path: stanza/stanza/tests/ner/test_bsf_2_beios.py
imports: import unittest
  from stanza.utils.datasets.ner.convert_bsf_to_beios import convert_bsf, parse_bsf, BsfInfo
  import pytest
label_desc: Use image node_id 3 for calling the TestBsf obj's underlying member method code with example usage: obj.test_1line_bsf() without return types