code: def test_dying_worker(ray_start_2_cpus):
      @ray.remote(num_cpus=0, max_calls=1)
      def foo():
          pass
  
      for _ in range(20):
          ray.get([foo.remote() for _ in range(5)])
  
      # Make sure that nothing has died.
      assert ray._private.services.remaining_processes_alive()
  
file_path: ray/python/ray/tests/test_component_failures_3.py
imports: import sys
  import time
  import numpy
  import pytest
  import ray
  import ray._private.ray_constants
  from ray._private.test_utils import get_other_nodes
label_desc: Use image node_id 4 for calling a global function with example usage: test_dying_worker(ray_start_2_cpus) without return types