code: def test__getitem__returns_last_element_of_list(self):
      assert self.query_params["two"] == "y"
  
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 6 for calling the QueryParamsMethodTests obj's underlying member method code with example usage: obj.test__getitem__returns_last_element_of_list() without return types