code: def tearDown(self):
      set_determinism(seed=None)
      shutil.rmtree(self.data_dir)
  
imports: from __future__ import annotations
  import os
  import shutil
  import tempfile
  import unittest
  from glob import glob
  import nibabel
  import numpy
  import torch
  import monai
  from monai.data import create_test_image_2d
  from monai.engines import GanTrainer
  from monai.handlers import CheckpointSaver, StatsHandler, TensorBoardStatsHandler
  from monai.networks import normal_init
  from monai.networks.nets import Discriminator, Generator
  from monai.transforms import Compose, EnsureChannelFirstd, LoadImaged, RandFlipd, ScaleIntensityd
  from monai.utils import GanKeys
  from monai.utils import set_determinism
  from tests.utils import DistTestCase, TimedCall, skip_if_quick
label_desc: Use image node_id 2 for calling the IntegrationWorkflowsGAN obj's underlying member method code with example usage: obj.tearDown() without return types