code: def test_get_unigram_corpus(self):
      unicorp = self.corpus.get_unigram_corpus()
      self.assertEqual(
          len([x for x in unicorp.get_texts()]), len(self.documents)
      )
      self.assertEqual(
          [str(x) for x in unicorp.get_texts()][0],
          "what art thou that usurp'st this time of night,",
      )
  
file_path: scattertext/scattertext/test/test_ParsedCorpus.py
imports: from unittest import TestCase
  import pandas
  from scattertext import whitespace_nlp, CorpusFromParsedDocuments
  from scattertext.test.test_corpusFromPandas import get_docs_categories
label_desc: Use image node_id 5 for calling the TestParsedCorpus obj's underlying member method code with example usage: obj.test_get_unigram_corpus() without return types