code: def dummy_task(val):
      return val
  
file_path: ray/python/ray/tests/perf_integration_tests/test_perf_integration.py
imports: import numpy
  import pytest
  import ray
  from ray.tests.conftest import _ray_start_cluster
label_desc: Use image node_id 1 for calling a global function with example usage: dummy_task(val) and returns: val