def METHOD_NAME(self):
    self.ph = ESpeak("en-us")
    tokenizer_local = TTSTokenizer(use_phonemes=True, characters=IPAPhonemes(), phonemizer=self.ph)
    self.assertEqual(len(self.tokenizer.not_found_characters), 0)
    text = "Yolk of one egg beaten light"
    ids = tokenizer_local.text_to_ids(text)
    text_hat = tokenizer_local.ids_to_text(ids)
    self.assertEqual(tokenizer_local.not_found_characters, ["̩"])
    self.assertEqual(text_hat, "jˈoʊk ʌv wˈʌn ˈɛɡ bˈiːʔn lˈaɪt")