code: def test_korean_text_to_phonemes(self):
      for line in _TEST_CASES.strip().split("\n"):
          text, phone = line.split("/")
          self.assertEqual(korean_text_to_phonemes(text), phone)
      for line in _TEST_CASES_EN.strip().split("\n"):
          text, phone = line.split("/")
          self.assertEqual(
              korean_text_to_phonemes(text, character="english"), phone
          )
  
imports: import unittest
  from TTS.tts.utils.text.korean.phonemizer import korean_text_to_phonemes
label_desc: Use image node_id 1 for calling the TestText obj's underlying member method code with example usage: obj.test_korean_text_to_phonemes() without return types