code: def test_find_entities_BIO(self):
      # test find_entities_BIO
      entities = ner_sample.find_entities_BIO(
          ner_sample.dump()["x"], ner_sample.dump()["y"]
      )
      self.assertEqual(
          [
              {"start": 0, "end": 0, "entity": "EU", "tag": "ORG"},
              {"start": 2, "end": 2, "entity": "German", "tag": "MISC"},
              {
                  "start": 6,
                  "end": 6,
                  "entity": "British",
                  "tag": "MISC",
              },
          ],
          entities,
      )
  
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 5 for calling the TestNERSample obj's underlying member method code with example usage: obj.test_find_entities_BIO() without return types