code: def test_compatibles(self):
      for scheduler_class in self.scheduler_classes:
          scheduler_config = self.get_scheduler_config()
  
          scheduler = scheduler_class(**scheduler_config)
  
          assert all(c is not None for c in scheduler.compatibles)
  
          for comp_scheduler_cls in scheduler.compatibles:
              comp_scheduler = comp_scheduler_cls.from_config(
                  scheduler.config
              )
              assert comp_scheduler is not None
  
          new_scheduler = scheduler_class.from_config(
              comp_scheduler.config
          )
  
          new_scheduler_config = {
              k: v
              for k, v in new_scheduler.config.items()
              if k in scheduler.config
          }
          scheduler_diff = {
              k: v
              for k, v in new_scheduler.config.items()
              if k not in scheduler.config
          }
  
          # make sure that configs are essentially identical
          assert new_scheduler_config == dict(scheduler.config)
  
          # make sure that only differences are for configs that are not in init
          init_keys = inspect.signature(
              scheduler_class.__init__
          ).parameters.keys()
          assert (
              set(scheduler_diff.keys()).intersection(set(init_keys))
              == set()
          )
  
imports: import inspect
  import json
  import os
  import tempfile
  import unittest
  import uuid
  from typing import Dict, List, Tuple
  import numpy
  import torch
  from huggingface_hub import delete_repo
  import diffusers
  from diffusers import CMStochasticIterativeScheduler, DDIMScheduler, DEISMultistepScheduler, DiffusionPipeline, EulerAncestralDiscreteScheduler, EulerDiscreteScheduler, IPNDMScheduler, LMSDiscreteScheduler, UniPCMultistepScheduler, VQDiffusionScheduler, logging
  from diffusers.configuration_utils import ConfigMixin, register_to_config
  from diffusers.schedulers.scheduling_utils import SchedulerMixin
  from diffusers.utils.testing_utils import CaptureLogger, torch_device
  from ..others.test_utils import TOKEN, USER, is_staging_test
label_desc: Use image node_id 9 for calling the SchedulerCommonTest obj's underlying member method code with example usage: obj.test_compatibles() without return types