code: def _allocateAndAssertNewResources(
      self, trial, scheduler, target_pgf, metric=1
  ):
      result = {"metric": metric, "training_iteration": 4}
      trial.run_metadata.last_result = result
      decision = scheduler.on_trial_result(
          self.tune_controller, trial, result
      )
      assert decision == TrialScheduler.PAUSE
      trial.status = Trial.PENDING
      scheduler.choose_trial_to_run(self.tune_controller)
      assert trial.placement_group_factory == target_pgf
      trial.status = Trial.RUNNING
  
imports: import shutil
  import tempfile
  import unittest
  from ray.tune import PlacementGroupFactory
  from ray.tune.execution.tune_controller import TuneController
  from ray.tune.schedulers.trial_scheduler import TrialScheduler
  from ray.tune.experiment import Trial
  from ray.tune.schedulers.resource_changing_scheduler import ResourceChangingScheduler, DistributeResources, DistributeResourcesToTopJob
  from ray.tune.tests.execution.utils import create_execution_test_objects
  from ray.train.tests.util import mock_storage_context
label_desc: Use image node_id 4 for calling the TestUniformResourceAllocation obj's underlying member method code with example usage: obj._allocateAndAssertNewResources(trial, scheduler, target_pgf, metric) without return types