code: def set_subtask_result(self, subtask_result: SubtaskResult):
      return
  
imports: import asyncio
  import os
  import sys
  import time
  import numpy
  import pandas
  import pytest
  from .....None import oscar
  from .....None import dataframe
  from .....None import tensor
  from .....None import remote
  from .....core import ExecutionError, ChunkGraph
  from .....core.context import get_context
  from .....core.graph import TileableGraph, TileableGraphBuilder, ChunkGraphBuilder
  from .....core.operand import OperandStage
  from .....resource import Resource
  from .....utils import Timer
  from ....cluster import MockClusterAPI
  from ....lifecycle import MockLifecycleAPI
  from ....meta import MockMetaAPI, MockWorkerMetaAPI
  from ....scheduling import MockSchedulingAPI
  from ....session import MockSessionAPI
  from ....storage import MockStorageAPI
  from ....task import new_task_id, MapReduceInfo
  from ....task.supervisor.manager import TaskManagerActor, TaskConfigurationActor
  from ....mutable import MockMutableAPI
  from ...None import Subtask, SubtaskStatus, SubtaskResult
  from ...worker.manager import SubtaskRunnerManagerActor
  from ...worker.runner import SubtaskRunnerActor, SubtaskRunnerRef
label_desc: Use image node_id 1 for calling the FakeTaskManager obj's underlying member method code with example usage: obj.set_subtask_result(subtask_result) without return types