code: def test_url_param_form_data() -> None:
      with app.test_request_context(
          query_string={
              "form_data": json.dumps({"url_params": {"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 11 for calling a global function with example usage: test_url_param_form_data() without return types