code: def test_runtime_env_json_valid(self):
      runtime_env = (
          '{"py_modules": ["pm1", "pm2"], "working_dir": "wd"}'
      )
      assert parse_runtime_env_args(runtime_env_json=runtime_env) == {
          "py_modules": ["pm1", "pm2"],
          "working_dir": "wd",
      }
  
file_path: ray/dashboard/modules/tests/test_dashboard_sdk.py
imports: import pytest
  import sys
  import os
  from ray.dashboard.modules.dashboard_sdk import parse_runtime_env_args, parse_cluster_info
label_desc: Use image node_id 2 for calling the TestParseRuntimeEnvArgs obj's underlying member method code with example usage: obj.test_runtime_env_json_valid() without return types