code: def test_quick_stop(self):
      nodes = [python.PyNode(NotSeriazableNode())]
  
      with self.assertRaisesRegex(
          RuntimeError, "The nodes associated to"
      ):
          serialization.check_nodes_are_serializable("my_node", nodes)
  
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 1 for calling the SerializationTest obj's underlying member method code with example usage: obj.test_quick_stop() without return types