code: def test_translation_variable_languages_nolist(self):
      self.assertFeature(
          feature=features.TranslationVariableLanguages(),
          shape={"language": (None,), "translation": (None,)},
          dtype={"language": tf.string, "translation": tf.string},
          tests=[
              testing.FeatureExpectationItem(
                  value={"en": EN_HELLO, "zh": ZH_HELLO},
                  expected={
                      "language": [EN_B, ZH_B],
                      "translation": [
                          tf.compat.as_bytes(EN_HELLO),
                          tf.compat.as_bytes(ZH_HELLO),
                      ],
                  },
              ),
              testing.FeatureExpectationItem(
                  value={
                      "fr": FR_HELLO,
                      "de": DE_HELLO,
                      "zh": ZH_HELLO,
                  },
                  expected={
                      "language": [DE_B, FR_B, ZH_B],
                      "translation": [
                          tf.compat.as_bytes(DE_HELLO),
                          tf.compat.as_bytes(FR_HELLO),
                          tf.compat.as_bytes(ZH_HELLO),
                      ],
                  },
              ),
              testing.FeatureExpectationItem(
                  value={
                      "fr": [FR_HELLO, FR_HELLO[0:-1]],
                      "en": EN_HELLO,
                  },
                  expected={
                      "language": [EN_B, FR_B, FR_B],
                      "translation": [
                          tf.compat.as_bytes(EN_HELLO),
                          tf.compat.as_bytes(FR_HELLO[0:-1]),
                          tf.compat.as_bytes(FR_HELLO),
                      ],
                  },
              ),
          ],
      )
  
file_path: datasets/tensorflow_datasets/core/features/translation_feature_test.py
imports: import tensorflow
  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 1 for calling the TranslationVariableLanguagesFeatureTest obj's underlying member method code with example usage: obj.test_translation_variable_languages_nolist() without return types