code: def test_metadata(self):
      feature = feature_lib.Sequence(
          feature_lib.ClassLabel(num_classes=2)
      )
      feature.feature.names = ["left", "right"]
      with testing.tmp_dir() as tmp_dir:
          feature.save_metadata(data_dir=tmp_dir, feature_name="test")
  
          feature2 = feature_lib.Sequence(
              feature_lib.ClassLabel(num_classes=2)
          )
          feature2.load_metadata(data_dir=tmp_dir, feature_name="test")
      self.assertEqual(feature2.feature.names, ["left", "right"])
  
imports: import numpy
  import tensorflow
  from tensorflow_datasets import testing
  from tensorflow_datasets.core import features
label_desc: Use image node_id 6 for calling the SequenceFeatureTest obj's underlying member method code with example usage: obj.test_metadata() without return types