code: def testCreateRunnerUnknown(self):
      base_dir = "/tmp"
      with self.assertRaisesRegex(ValueError, "Unknown schedule"):
          run_experiment.create_runner(base_dir, "Unknown schedule")
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import shutil
  from absl import flags
  from dopamine.agents.dqn import dqn_agent
  from dopamine.agents.implicit_quantile import implicit_quantile_agent
  from dopamine.agents.rainbow import rainbow_agent
  from dopamine.discrete_domains import checkpointer
  from dopamine.discrete_domains import logger
  from dopamine.discrete_domains import run_experiment
  from dopamine.metrics import collector_dispatcher
  from dopamine.metrics import statistics_instance
  import gin.tf
  import mock
  import tensorflow
label_desc: Use image node_id 6 for calling the RunExperimentTest obj's underlying member method code with example usage: obj.testCreateRunnerUnknown() without return types