code: def testLoadGinConfigs(self, mock_parse_config_files_and_bindings):
      gin_files = ["file1", "file2", "file3"]
      gin_bindings = ["binding1", "binding2"]
      run_experiment.load_gin_configs(gin_files, gin_bindings)
      self.assertEqual(
          1, mock_parse_config_files_and_bindings.call_count
      )
      (
          mock_args,
          mock_kwargs,
      ) = mock_parse_config_files_and_bindings.call_args
      self.assertEqual(gin_files, mock_args[0])
      self.assertEqual(gin_bindings, mock_kwargs["bindings"])
      self.assertFalse(mock_kwargs["skip_unknown"])
  
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 1 for calling the RunExperimentTest obj's underlying member method code with example usage: obj.testLoadGinConfigs(mock_parse_config_files_and_bindings) without return types