code: def test_round_trip_string_list_context(self):
      example = tf.train.SequenceExample()
      msu.set_string_list_context([b"test0", b"test1"], example)
      self.assertSequenceEqual(
          [b"test0", b"test1"], msu.get_string_list_context(example)
      )
      self.assertTrue(msu.has_string_list_context(example))
      msu.clear_string_list_context(example)
      self.assertFalse(msu.has_string_list_context(example))
      self.assertEqual(
          "string_vector_feature", msu.get_string_list_context_key()
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow.compat.v1
  from mediapipe.util.sequence import media_sequence_util
label_desc: Use image node_id 13 for calling the MediaSequenceTest obj's underlying member method code with example usage: obj.test_round_trip_string_list_context() without return types