code: def get(self):
      return self.i
  
file_path: ray/python/ray/serve/tests/test_deployment_node.py
imports: import pytest
  import ray
  from ray import serve
  from ray.serve._private.deployment_node import DeploymentNode
label_desc: Use image node_id 3 for calling the ServeActor obj's underlying member method code with example usage: obj.get() and returns: self