code: def test_incorrect_method_calls(ray_start_regular):
      @ray.remote
      class Actor:
          def __init__(self, missing_variable_name):
              pass
  
          def get_val(self, x):
              pass
  
      # Make sure that we get errors if we call the constructor incorrectly.
  
      # Create an actor with too few arguments.
      with pytest.raises(Exception):
          a = Actor.remote()
  
      # Create an actor with too many arguments.
      with pytest.raises(Exception):
          a = Actor.remote(1, 2)
  
      # Create an actor the correct number of arguments.
      a = Actor.remote(1)
  
      # Call a method with too few arguments.
      with pytest.raises(Exception):
          a.get_val.remote()
  
      # Call a method with too many arguments.
      with pytest.raises(Exception):
          a.get_val.remote(1, 2)
      # Call a method that doesn't exist.
      with pytest.raises(AttributeError):
          a.nonexistent_method()
      with pytest.raises(AttributeError):
          a.nonexistent_method.remote()
  
imports: import os
  import signal
  import sys
  import time
  import numpy
  import pytest
  import ray
  import ray._private.gcs_utils
  import ray._private.ray_constants
  import ray._private.utils
  from ray._private.test_utils import SignalActor, convert_actor_state, get_error_message, init_error_pubsub, wait_for_condition
  from ray.exceptions import GetTimeoutError, RayActorError, RayTaskError
label_desc: Use image node_id 6 for calling a global function with example usage: test_incorrect_method_calls(ray_start_regular) without return types