code: def test_experiment_with_experiment_tag_include_metrics(self):
      experiment = """
              description: 'Test experiment'
              metric_infos: [
                { name: { tag: 'current_temp' } },
                { name: { tag: 'delta_temp' } }
              ]
          """
      run = "exp"
      tag = metadata.EXPERIMENT_TAG
      t = provider.TensorTimeSeries(
          max_step=0,
          max_wall_time=0,
          plugin_content=self._serialized_plugin_data(
              DATA_TYPE_EXPERIMENT, experiment
          ),
          description="",
          display_name="",
      )
      self._mock_tb_context.data_provider.list_tensors.side_effect = (
          None
      )
      self._mock_tb_context.data_provider.list_tensors.return_value = {
          run: {tag: t}
      }
  
      with self.subTest("False"):
          response = self._experiment_from_metadata(
              include_metrics=False
          )
          self.assertEmpty(response.metric_infos)
  
      with self.subTest("True"):
          response = self._experiment_from_metadata(
              include_metrics=True
          )
          self.assertLen(response.metric_infos, 2)
  
imports: import operator
  from unittest import mock
  import tensorflow
  from google.protobuf import text_format
  from tensorboard import context
  from tensorboard.data import provider
  from tensorboard.plugins import base_plugin
  from tensorboard.plugins.hparams import api_pb2
  from tensorboard.plugins.hparams import backend_context
  from tensorboard.plugins.hparams import metadata
  from tensorboard.plugins.hparams import plugin_data_pb2
label_desc: Use image node_id 7 for calling the BackendContextTest obj's underlying member method code with example usage: obj.test_experiment_with_experiment_tag_include_metrics() without return types