docstr: teardown any state that was previously setup with a setup_method
  call.
docstr_tok: ["teardown","any","state","that","was","previously","setup","with","a","setup_method","call","."]
code: def tearDown(self):
      """teardown any state that was previously setup with a setup_method
      call.
      """
      stop_orca_context()
  
file_path: BigDL/python/orca/test/bigdl/orca/learn/jep/test_pytorch_estimator_for_spark_creator.py
imports: import os
  from unittest import TestCase
  import pytest
  import torch
  import torch.nn
  import torch.optim
  from torch.utils.data import TensorDataset
  from bigdl.orca import init_orca_context, stop_orca_context
  from bigdl.orca.learn.pytorch import Estimator
  from bigdl.orca.learn.metrics import Accuracy
  from bigdl.orca.learn.trigger import EveryEpoch
  from bigdl.orca.learn.optimizers import Adam
label_desc: Use image node_id 2 for calling the TestEstimatorForSparkCreator obj's underlying member method code with example usage: obj.tearDown() without return types