code: def test_object_mutation(worker: Worker):
      root_client = worker.root_client
      setting = root_client.api.services.settings.get()
      linked_obj = LinkedObject.from_obj(
          setting, SettingsService, node_uid=worker.id
      )
      original_name = setting.organization
      new_name = "Test Organization"
  
      object_mutation = ObjectMutation(
          linked_obj=linked_obj,
          attr_name="organization",
          match_type=True,
          value=new_name,
      )
  
      change_context = ChangeContext(
          node=worker,
          approving_user_credentials=root_client.credentials.verify_key,
      )
  
      result = object_mutation.apply(change_context)
  
      assert result.is_ok()
  
      setting = root_client.api.services.settings.get()
  
      assert setting.organization == new_name
  
      object_mutation.undo(context=change_context)
  
      setting = root_client.api.services.settings.get()
  
      assert setting.organization == original_name
  
imports: from textwrap import dedent
  from faker import Faker
  import pytest
  import syft
  from syft.client.client import SyftClient
  from syft.node.worker import Worker
  from syft.service.action.action_object import ActionObject
  from syft.service.action.action_permissions import ActionPermission
  from syft.service.code.user_code import UserCodeStatus
  from syft.service.context import ChangeContext
  from syft.service.request.request import ActionStoreChange
  from syft.service.request.request import ObjectMutation
  from syft.service.request.request import RequestStatus
  from syft.service.request.request import UserCodeStatusChange
  from syft.service.request.request_service import RequestService
  from syft.service.response import SyftError
  from syft.service.response import SyftSuccess
  from syft.service.settings.settings_service import SettingsService
  from syft.store.document_store import DocumentStore
  from syft.store.linked_obj import LinkedObject
label_desc: Use image node_id 3 for calling a global function with example usage: test_object_mutation(worker) without return types