code: def test_round_trip_float_list_context(self):
      example = tf.train.SequenceExample()
      msu.set_float_list_context([0.47, 0.49], example)
      self.assertSequenceAlmostEqual(
          [0.47, 0.49], msu.get_float_list_context(example)
      )
      self.assertTrue(msu.has_float_list_context(example))
      msu.clear_float_list_context(example)
      self.assertFalse(msu.has_float_list_context(example))
      self.assertEqual(
          "float_vector_feature", msu.get_float_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 14 for calling the MediaSequenceTest obj's underlying member method code with example usage: obj.test_round_trip_float_list_context() without return types