code: def test_time_series_bad_arguments(self):
      requests = [
          {"plugin": "images"},
          {"plugin": "unknown_plugin", "tag": "tagA"},
      ]
      response = self._plugin._time_series_impl(
          context.RequestContext(), "expid", requests
      )
      errors = [
          series_response.get("error", "")
          for series_response in response
      ]
  
      self.assertEqual(errors, ["Missing tag", "Invalid plugin"])
  
imports: import argparse
  import collections.abc
  import os.path
  import tensorflow.compat.v1
  import tensorflow.compat.v2
  from tensorboard import context
  from tensorboard.backend.event_processing import data_provider
  from tensorboard.backend.event_processing import plugin_event_multiplexer
  from tensorboard.data import provider
  from tensorboard.plugins import base_plugin
  from tensorboard.plugins.image import metadata
  from tensorboard.plugins.metrics import metrics_plugin
label_desc: Use image node_id 23 for calling the MetricsPluginTest obj's underlying member method code with example usage: obj.test_time_series_bad_arguments() without return types