docstr: Tests 2 audio events inserted/accessed in EventAccumulator.
code: def testAudio(self):
      """Tests 2 audio events inserted/accessed in EventAccumulator."""
      gen = _EventGenerator(self)
      acc = ea.EventAccumulator(gen)
      snd1 = ea.AudioEvent(
          wall_time=1,
          step=10,
          encoded_audio_string=b"big",
          content_type="audio/wav",
          sample_rate=44100,
          length_frames=441000,
      )
      snd2 = ea.AudioEvent(
          wall_time=2,
          step=12,
          encoded_audio_string=b"small",
          content_type="audio/wav",
          sample_rate=44100,
          length_frames=44100,
      )
      gen.AddAudio(
          "snd1",
          wall_time=1,
          step=10,
          encoded_audio_string=b"big",
          content_type="audio/wav",
          sample_rate=44100,
          length_frames=441000,
      )
      gen.AddAudio(
          "snd2",
          wall_time=2,
          step=12,
          encoded_audio_string=b"small",
          content_type="audio/wav",
          sample_rate=44100,
          length_frames=44100,
      )
      acc.Reload()
      self.assertEqual(acc.Audio("snd1"), [snd1])
      self.assertEqual(acc.Audio("snd2"), [snd2])
  
imports: import os
  import numpy
  import tensorflow
  from tensorboard.backend.event_processing import event_accumulator
  from tensorboard.compat.proto import config_pb2
  from tensorboard.compat.proto import event_pb2
  from tensorboard.compat.proto import graph_pb2
  from tensorboard.compat.proto import meta_graph_pb2
  from tensorboard.compat.proto import summary_pb2
  from tensorboard.plugins.distribution import compressor
  from tensorboard.util import tensor_util
  from tensorboard.util import test_util
  from tensorboard.util import tb_logging
label_desc: Use image node_id 10 for calling the MockingEventAccumulatorTest obj's underlying member method code with example usage: obj.testAudio() without return types