code: def test_convert_value_dict():
      translation_feature = feature_lib.Translation(
          languages=["en", "fr", "de"]
      )
      translation = {
          "de": b"Hallo Welt",
          "en": b"Hello world",
          "fr": None,  # Hugging Face supports `None` values
      }
      assert huggingface_dataset_builder._convert_value(
          translation, translation_feature
      ) == {"de": b"Hallo Welt", "en": b"Hello world", "fr": b""}
  
imports: import datetime
  from unittest import mock
  from absl import logging
  import numpy
  import pytest
  import tensorflow
  from tensorflow_datasets.core import features
  from tensorflow_datasets.core import lazy_imports_lib
  from tensorflow_datasets.core import registered
  from tensorflow_datasets.core.dataset_builders import huggingface_dataset_builder
label_desc: Use image node_id 11 for calling a global function with example usage: test_convert_value_dict() without return types