code: def test_find_entities_BMOES(self):
      entities = cnner_sample.find_entities_BMOES(
          cnner_sample.dump()["x"], cnner_sample.dump()["y"]
      )
      self.assertEqual(
          [
              {"start": 0, "end": 1, "entity": "上海", "tag": "GPE"},
              {"start": 2, "end": 3, "entity": "浦东", "tag": "GPE"},
          ],
          entities,
      )
  
imports: import unittest
  from textflint.input.component.sample.nercn_sample import *
label_desc: Use image node_id 3 for calling the TestNERCnSample obj's underlying member method code with example usage: obj.test_find_entities_BMOES() without return types