class_docstr: tests Vocabulary Class
class_docstr_tok: ["tests","Vocabulary","Class"]
code: def test_vocab_iter_respects_cutoff(self):
      vocab_counts = ["a", "b", "c", "d", "e", "f", "g", "w", "z"]
      vocab_items = ["a", "b", "d", "e", "<UNK>"]
  
      self.assertCountEqual(
          vocab_counts, list(self.vocab.counts.keys())
      )
      self.assertCountEqual(vocab_items, list(self.vocab))
  
imports: import unittest
  from collections import Counter
  from timeit import timeit
  from nltk.lm import Vocabulary
label_desc: Use image node_id 9 for calling the NgramModelVocabularyTests obj's underlying member method code with example usage: obj.test_vocab_iter_respects_cutoff() without return types