class_docstr: Test Streamlit utility functions.
class_docstr_tok: ["Test","Streamlit","utility","functions","."]
code: def test_extract_key_query_params(
      self,
      query_params: Dict[str, List[str]],
      param_key: str,
      result: Set[str],
  ):
      self.assertSetEqual(
          util.extract_key_query_params(query_params, param_key), result
      )
  
file_path: streamlit/lib/tests/streamlit/util_test.py
imports: import random
  import unittest
  from typing import Dict, List, Set
  from unittest.mock import patch
  import numpy
  from parameterized import parameterized
  from streamlit import util
label_desc: Use image node_id 9 for calling the UtilTest obj's underlying member method code with example usage: obj.test_extract_key_query_params(query_params, param_key, result) without return types