code: def test__setitem__converts_int_value_to_string(self):
      self.query_params["baz"] = 1
      assert self.query_params["baz"] == "1"
      message = self.get_message_from_queue(0)
      assert "baz=1" in message.page_info_changed.query_string
  
imports: import pytest
  from streamlit.errors import StreamlitAPIException
  from streamlit.runtime.state.query_params import QueryParams
  from tests.delta_generator_test_case import DeltaGeneratorTestCase
label_desc: Use image node_id 8 for calling the QueryParamsMethodTests obj's underlying member method code with example usage: obj.test__setitem__converts_int_value_to_string() without return types