code: def test_with_config(self):
      ran_f = [False]
  
      @config.with_config(check_jax_usage=False)
      def f():
          ran_f[0] = True
          return config.get_config().check_jax_usage
  
      cfg = config.get_config()
      cfg.check_jax_usage = True
      self.assertFalse(f())
      self.assertTrue(ran_f[0])
      self.assertTrue(cfg.check_jax_usage)
  
imports: from concurrent import futures
  import inspect
  import threading
  from absl.testing import absltest
  from absl.testing import parameterized
  from haiku._src import config
label_desc: Use image node_id 5 for calling the ConfigTest obj's underlying member method code with example usage: obj.test_with_config() and returns: config