code: def test_ddsv001_search_value(dash_duo):
      app = Dash(__name__)
      app.layout = html.Div(
          [
              dcc.Dropdown(id="dropdown", search_value="something"),
              html.Div(id="output"),
          ]
      )
  
      @app.callback(
          Output("output", "children"),
          inputs=[Input("dropdown", "search_value")],
      )
      def update_output(search_value):
          return f'search_value="{search_value}"'
  
      dash_duo.start_server(app)
  
      # Get the inner input used for search value.
      input_ = dash_duo.find_element("#dropdown input")
  
      dash_duo.wait_for_text_to_equal(
          "#output", 'search_value="something"'
      )
  
      input_.send_keys("x")
      dash_duo.wait_for_text_to_equal("#output", 'search_value="x"')
  
      assert dash_duo.get_logs() == []
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_ddsv001_search_value(dash_duo) and returns: str, search_value, str