code: def assertEventWallTimes(
      self, load_result, event_wall_times_in_order
  ):
      transposed = list(zip(*load_result))
      wall_times, events = transposed if transposed else ([], [])
      self.assertEqual(
          list(wall_times),
          event_wall_times_in_order,
      )
      self.assertEqual(
          [event.wall_time for event in events],
          event_wall_times_in_order,
      )
  
imports: import abc
  import io
  import os
  import unittest
  from unittest import mock
  from tensorboard import test
  from tensorboard.backend.event_processing import event_file_loader
  from tensorboard.compat import tf
  from tensorboard.compat.proto import event_pb2
  from tensorboard.summary.writer import record_writer
label_desc: Use image node_id 2 for calling the TimestampedEventFileLoaderTest obj's underlying member method code with example usage: obj.assertEventWallTimes(load_result, event_wall_times_in_order) without return types