code: def test_issue_158(self):
      text = (
          "The PVO observations showed that the total transterminator flux "
          "was 23% of that at solar maximum and that the largest reductions in the "
          "number of ions transported antisunward occurred at the highest altitudes "
          "(Spenner et al., 1995)."
      )
      doc = self.nlp(text)
      doc2 = self.detector(doc)
      assert len(doc2._.abbreviations) == 0
  
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 6 for calling the TestAbbreviationDetector obj's underlying member method code with example usage: obj.test_issue_158() without return types