code: def tearDown(self):
      jax.config.update("use_mock_gpu_client", False)
      jax.config.update("mock_num_gpus", 1)
      super().tearDown()
  
file_path: jax/tests/mock_gpu_test.py
imports: from functools import partial
  import math
  from absl.testing import absltest
  import jax
  from jax import config
  from jax._src import test_util
  import jax.numpy
  from jax.sharding import NamedSharding
  from jax.sharding import PartitionSpec
  import numpy
label_desc: Use image node_id 2 for calling the MockGPUTest obj's underlying member method code with example usage: obj.tearDown() without return types