code: def test_lru_cache(self):
      serialization.enable_lru_cache_pickling_once()
      call_count = [0]
  
      @functools.lru_cache(maxsize=1)
      def increase_call_count():
          call_count[0] += 1
          return call_count[0]
  
      f0, f1 = cloudpickle.loads(
          cloudpickle.dumps([increase_call_count] * 2)
      )
      f0()
      f1()
      self.assertEqual(f0(), 1)
      self.assertEqual(f1(), 1)
  
imports: import functools
  import threading
  from absl.testing import absltest
  import cloudpickle
  from launchpad import program
  from launchpad.launch import serialization
  from launchpad.nodes.python import node
label_desc: Use image node_id 2 for calling the SerializationTest obj's underlying member method code with example usage: obj.test_lru_cache() and returns: call_count