code: def load_plugin(self):
      self.generate_testdata()
      multiplexer = event_multiplexer.EventMultiplexer()
      multiplexer.AddRunsFromDirectory(self.logdir)
      multiplexer.Reload()
      provider = data_provider.MultiplexerDataProvider(
          multiplexer, self.logdir
      )
      ctx = base_plugin.TBContext(
          logdir=self.logdir, data_provider=provider
      )
      return text_plugin.TextPlugin(ctx)
  
imports: import collections.abc
  import os
  import textwrap
  import numpy
  import tensorflow
  from tensorboard import plugin_util
  from tensorboard import context
  from tensorboard.backend.event_processing import data_provider
  from tensorboard.backend.event_processing import plugin_event_multiplexer
  from tensorboard.plugins import base_plugin
  from tensorboard.plugins.text import text_plugin
  from tensorboard.util import test_util
label_desc: Use image node_id 2 for calling the TextPluginTest obj's underlying member method code with example usage: obj.load_plugin() and returns: text_plugin