code: def test_abbreviation_detection(self):
      # Attribute should be registered.
      doc = self.nlp(self.text)
      assert doc._.abbreviations == []
      doc2 = self.detector(doc)
      assert len(doc2._.abbreviations) == 3
  
      correct = set()
      span = doc[33:34]
      span._.long_form = doc[0:5]
      correct.add(span)
      span = doc[6:7]
      span._.long_form = doc[0:5]
      correct.add(span)
      span = doc[29:30]
      span._.long_form = doc[26:28]
      correct.add(span)
      correct_long = {x._.long_form for x in correct}
  
      assert set(doc2._.abbreviations) == correct
      assert {
          x._.long_form for x in doc2._.abbreviations
      } == correct_long
  
file_path: scispacy/tests/test_abbreviation_detection.py
imports: import unittest
  import spacy
  import pytest
  from scispacy.abbreviation import AbbreviationDetector, find_abbreviation, filter_matches
label_desc: Use image node_id 4 for calling the TestAbbreviationDetector obj's underlying member method code with example usage: obj.test_abbreviation_detection() without return types