code: def tearDown(self):
      mock.patch.stopall()
      super(ModelsTest, self).tearDown()
  
imports: import os
  import uuid
  from absl.testing import absltest
  import mock
  import tensorflow
  from tensorflow_cloud.core import machine_config
  from tensorflow_cloud.core import run
  from tensorflow_cloud.core.experimental import models
  from official.legacy.image_classification.efficientnet import efficientnet_model
label_desc: Use image node_id 6 for calling the ModelsTest obj's underlying member method code with example usage: obj.tearDown() without return types