code: def test_url_param_query() -> None:
      with app.test_request_context(query_string={"foo": "bar"}):
          cache = ExtraCache()
          assert cache.url_param("foo") == "bar"
  
imports: import json
  from typing import Any
  import pytest
  from sqlalchemy.dialects.postgresql import dialect
  from superset import app
  from superset.exceptions import SupersetTemplateException
  from superset.jinja_context import ExtraCache, safe_proxy
label_desc: Use image node_id 10 for calling a global function with example usage: test_url_param_query() without return types