docstr: Test that multiple NER labels are correctly assigned in tuples
docstr_tok: ["Test","that","multiple","NER","labels","are","correctly","assigned","in","tuples"]
code: def test_multi_ner(self, pipeline):
      """
      Test that multiple NER labels are correctly assigned in tuples
      """
      doc = pipeline(
          "John Bauer works at Stanford and has hip arthritis.  He works for Chris Manning"
      )
      multi_ner = [
          [token.multi_ner for token in sentence.tokens]
          for sentence in doc.sentences
      ]
      assert multi_ner == EXPECTED_MULTI_NER
  
file_path: stanza/stanza/tests/pipeline/test_pipeline_ner_processor.py
imports: import pytest
  import stanza
  from stanza.utils.conll import CoNLL
  from stanza.models.common.doc import Document
  from stanza.tests import *
label_desc: Use image node_id 3 for calling the TestMultiNERProcessor obj's underlying member method code with example usage: obj.test_multi_ner(pipeline) without return types