Update tests

tests/text_tests/test_characters.py

@@ -1,15 +1,10 @@
 import unittest
 
-from TTS.tts.utils.text.characters import BaseCharacters, Graphemes, IPAPhonemes, create_graphemes, create_phonemes
+from TTS.tts.utils.text.characters import BaseCharacters, Graphemes, IPAPhonemes
 
 # pylint: disable=protected-access
 
 
-def test_make_symbols():
-    _ = create_phonemes()
-    _ = create_graphemes()
-
-
 class BaseCharacterTest(unittest.TestCase):
     def setUp(self):
         self.characters_empty = BaseCharacters("", "", pad="", eos="", bos="", blank="", is_unique=True, is_sorted=True)

tests/text_tests/test_tokenizer.py

@@ -64,6 +64,7 @@ class TestTTSTokenizer(unittest.TestCase):
     def test_init_from_config(self):
         @dataclass
         class Characters(Coqpit):
+            characters_class: str = None
             characters: str = _phonemes
             punctuations: str = _punctuations
             pad: str = _pad