code: def tearDown(self):
      super().tearDown()
      context._reset_context()
  
imports: import os
  from absl.testing import parameterized
  import tensorflow
  import tensorflow.compat.v1
  from tensorflow.python.distribute import combinations
  from tensorflow.python.distribute import multi_worker_test_base
  from tensorflow.python.distribute import parameter_server_strategy_v2
  from tensorflow.python.distribute import sharded_variable
  from tensorflow.python.distribute import strategy_combinations
  from tensorflow.python.distribute import test_util
  from tensorflow.python.distribute import values
  from tensorflow.python.eager import context
  from tensorflow.python.eager import test
  from tensorflow.python.ops import lookup_ops
label_desc: Use image node_id 2 for calling the PSStrategySaveAndLoadTest obj's underlying member method code with example usage: obj.tearDown() without return types