code: def testCustomResources(self):
      ray.shutdown()
      ray.init(resources={"hi": 3})
  
      class MyTrainable(Trainable):
          def step(self):
              return {"timesteps_this_iter": 1, "done": True}
  
      trials = run_experiments(
          {
              "foo": {
                  "run": MyTrainable,
                  "resources_per_trial": {
                      "cpu": 1,
                      "custom_resources": {"hi": 2},
                  },
              }
          }
      )
      for trial in trials:
          self.assertEqual(trial.status, Trial.TERMINATED)
  
imports: import os
  import unittest
  import ray
  import ray.train
  from ray.train import CheckpointConfig
  from ray.rllib import _register_all
  from ray.tune.result import TIMESTEPS_TOTAL
  from ray.tune import Trainable, TuneError
  from ray.tune import register_trainable, run_experiments
  from ray.tune.logger import LegacyLoggerCallback, Logger
  from ray.tune.experiment import Experiment
  from ray.tune.experiment.trial import Trial, ExportFormat
label_desc: Use image node_id 10 for calling the RunExperimentTest obj's underlying member method code with example usage: obj.testCustomResources() and returns: dict