code: def test_load_trial_from_json_state():
      """Check that serializing a trial to a JSON string with `Trial.get_json_state`
      and then creating a new trial using the `Trial.from_json_state` alternate
      constructor loads the trial with equivalent state."""
      trial = Trial(
          "MockTrainable",
          stub=True,
          trial_id="abcd1234",
          storage=mock_storage_context(),
      )
      trial.create_placement_group_factory()
      trial.init_local_path()
      trial.status = Trial.TERMINATED
  
      # After loading, the trial state should be the same
      json_state, _ = trial.get_json_state()
      new_trial = Trial.from_json_state(json_state, stub=True)
      assert new_trial.get_json_state()[0] == json_state
  
file_path: ray/python/ray/tune/tests/test_trial.py
imports: import os
  import sys
  import pytest
  from ray.exceptions import RayActorError, RayTaskError
  from ray.train import Checkpoint
  from ray.train.constants import RAY_TRAIN_COUNT_PREEMPTION_AS_FAILURE
  from ray.train._internal.session import _TrainingResult
  from ray.train._internal.storage import StorageContext
  from ray.tune.experiment import Trial
  from ray.train.tests.util import mock_storage_context
label_desc: Use image node_id 3 for calling a global function with example usage: test_load_trial_from_json_state() without return types