code: def test_name(self):
      self.assertEqual(self.phonemizer.name(), "bn_phonemizer")
  
imports: import unittest
  from packaging.version import Version
  from TTS.tts.utils.text.phonemizers import ESpeak, Gruut, JA_JP_Phonemizer, ZH_CN_Phonemizer
  from TTS.tts.utils.text.phonemizers.bangla_phonemizer import BN_Phonemizer
  from TTS.tts.utils.text.phonemizers.multi_phonemizer import MultiPhonemizer
label_desc: Use image node_id 3 for calling the TestBN_Phonemizer obj's underlying member method code with example usage: obj.test_name() without return types