code: def test_model_start():
      subprocess.run(
          "torchserve --start --ncs --model-store model_store --models onnx.mar",
          shell=True,
          check=True,
      )
  
file_path: serve/test/pytest/test_onnx.py
imports: import subprocess
  import torch
  import torch.onnx
label_desc: Use image node_id 3 for calling a global function with example usage: test_model_start() without return types