code: def test_one(self, number):
      assert dist.get_world_size() == 2
      assert number == 1138
  
imports: import os
  import torch
  import deepspeed.comm
  import deepspeed
  from unit.common import DistributedTest, DistributedFixture, get_master_port
  from unit.simple_model import SimpleModel
  import pytest
label_desc: Use image node_id 1 for calling the TestGroupedDistTest obj's underlying member method code with example usage: obj.test_one(number) without return types