code: def test_cue_letters_case():
      document = build_document(
          (
              "X X X",
              "x x x x",
          ),
          (
              "w w w",
              "W W W W",
          ),
      )
  
      summarizer = EdmundsonSummarizer()
      summarizer.bonus_words = (
          "X",
          "w",
      )
      summarizer.stigma_words = ("stigma",)
  
      sentences = summarizer.cue_method(document, 2)
  
      assert list(map(to_unicode, sentences)) == [
          "x x x x",
          "W W W W",
      ]
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import pytest
  from sumy._compat import to_unicode
  from sumy.summarizers.edmundson import EdmundsonSummarizer
  from ..utils import build_document, build_document_from_string
label_desc: Use image node_id 10 for calling a global function with example usage: test_cue_letters_case() without return types