code: def test_input_value(self, bokeh_model_page: BokehModelPage) -> None:
      colorpicker = ColorPicker(color="red")
      page = bokeh_model_page(colorpicker)
  
      el = find_element_for(page.driver, colorpicker, "input")
  
      assert el.get_attribute("value") == "#ff0000"
  
      assert page.has_no_console_errors()
  
file_path: bokeh/tests/integration/widgets/test_color_picker.py
imports: from __future__ import annotations
  import pytest
  from bokeh.layouts import column
  from bokeh.models import Circle, ColorPicker, ColumnDataSource, CustomJS, Plot, Range1d
  from tests.support.plugins.project import BokehModelPage, BokehServerPage
  from tests.support.util.selenium import RECORD, find_element_for
label_desc: Use image node_id 3 for calling the Test_ColorPicker obj's underlying member method code with example usage: obj.test_input_value(bokeh_model_page) without return types