code: def test_registered_model(self):
      result = subprocess.run(
          "curl http://localhost:8081/models",
          shell=True,
          capture_output=True,
          check=True,
      )
      expected_registered_model_str = '{"models": [{"modelName": "half_plus_two", "modelUrl": "half_plus_two.mar"}]}'
      expected_registered_model = json.loads(
          expected_registered_model_str
      )
      assert json.loads(result.stdout) == expected_registered_model
  
file_path: serve/test/pytest/test_torch_xla.py
imports: import glob
  import json
  import os
  import subprocess
  import time
  from pathlib import Path
  import pytest
  from pkg_resources import packaging
label_desc: Use image node_id 5 for calling the TestTorchXLA obj's underlying member method code with example usage: obj.test_registered_model() without return types