code: def test_print_original_text():
      text = ":    nation on"
      sentence = Sentence(text)
      assert text == sentence.to_original_text()
  
      text = ":    nation on"
      sentence = Sentence(text, use_tokenizer=SegtokTokenizer())
      assert text == sentence.to_original_text()
  
      text = "I love Berlin."
      sentence = Sentence(text)
      assert text == sentence.to_original_text()
  
      text = (
          'Schartau sagte dem " Tagesspiegel " vom Freitag , Fischer sei " '
          "in einer Weise aufgetreten , die alles andere als überzeugend "
          'war " .'
      )
      sentence = Sentence(text)
      assert text == sentence.to_original_text()
  
      text = (
          'Schartau sagte dem " Tagesspiegel " vom Freitag , Fischer sei " '
          "in einer Weise aufgetreten , die alles andere als überzeugend "
          'war " .'
      )
      sentence = Sentence(text, use_tokenizer=SegtokTokenizer())
      assert text == sentence.to_original_text()
  
imports: from typing import List
  import pytest
  import flair
  from flair.data import Sentence, Token
  from flair.splitter import NewlineSentenceSplitter, NoSentenceSplitter, SciSpacySentenceSplitter, SegtokSentenceSplitter, SpacySentenceSplitter, TagSentenceSplitter
  from flair.tokenization import JapaneseTokenizer, SciSpacyTokenizer, SegtokTokenizer, SpaceTokenizer, SpacyTokenizer, TokenizerWrapper
label_desc: Use image node_id 21 for calling a global function with example usage: test_print_original_text() without return types