code: def test_text_conversion(self):
      text_f = features.Text(encoder=text_encoder.ByteTextEncoder())
      text = "你好"
      self.assertEqual(text, text_f.ints2str(text_f.str2ints(text)))
  
file_path: datasets/tensorflow_datasets/core/features/text_feature_test.py
imports: import numpy
  import pytest
  from tensorflow_datasets import testing
  from tensorflow_datasets.core import features
  from tensorflow_datasets.core.deprecated.text import text_encoder
label_desc: Use image node_id 3 for calling the TextFeatureTest obj's underlying member method code with example usage: obj.test_text_conversion() without return types