code: def test_get_all_retrieves_multiple_values_as_list(self):
      assert self.query_params.get_all("two") == ["x", "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 27 for calling the QueryParamsMethodTests obj's underlying member method code with example usage: obj.test_get_all_retrieves_multiple_values_as_list() without return types