code: def test_tags_unsafe_description(self):
      self._write_scalar(
          "<&#run>", "scalars/<&#tag>", "<&#description>"
      )
      self._write_histogram(
          "<&#run>", "histograms/<&#tag>", "<&#description>"
      )
      self._multiplexer.Reload()
  
      response = self._plugin._tags_impl(
          context.RequestContext(), "eid"
      )
  
      self.assertEqual(
          {"scalars/<&#tag>": "<p>&lt;&amp;#description&gt;</p>"},
          response["scalars"]["tagDescriptions"],
      )
      self.assertEqual(
          {"histograms/<&#tag>": "<p>&lt;&amp;#description&gt;</p>"},
          response["histograms"]["tagDescriptions"],
      )
  
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 14 for calling the MetricsPluginTest obj's underlying member method code with example usage: obj.test_tags_unsafe_description() without return types