code: def test_div_plot_width(self):
      html = "<h1>Test</h1>"
      div = Div(html).opts(width=342, height=432, backend="bokeh")
      plot = bokeh_renderer.get_plot(div)
      bkdiv = plot.handles["plot"]
      self.assertEqual(bkdiv.width, 342)
      self.assertEqual(bkdiv.height, 432)
  
imports: from holoviews.element import Div
  from .test_plot import TestBokehPlot, bokeh_renderer
label_desc: Use image node_id 2 for calling the TestDivPlot obj's underlying member method code with example usage: obj.test_div_plot_width() without return types