def METHOD_NAME(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))