code: def test_op():
      dist_g.edata["mask3"] = (
          dist_g.edata["mask1"] | dist_g.edata["mask2"]
      )
      check_binary_op("mask1", "mask2", "mask3", operator.or_)
  
file_path: dgl/tests/distributed/test_dist_tensor.py
imports: import operator
  import os
  import unittest
  import backend
  import dgl
  import pytest
  from utils import create_random_graph, generate_ip_config, reset_envs
label_desc: Use image node_id 4 for calling a global function with example usage: test_op() without return types