code: def test_boxwhisker_simple_overlay(self):
      values = np.random.rand(100)
      boxwhisker = BoxWhisker(values) * BoxWhisker(values)
      plot = mpl_renderer.get_plot(boxwhisker)
      p1, p2 = plot.subplots.values()
      self.assertEqual(
          p1.handles["boxes"][0].get_path().vertices,
          p2.handles["boxes"][0].get_path().vertices,
      )
  
file_path: holoviews/holoviews/tests/plotting/matplotlib/test_boxwhisker.py
imports: import numpy
  from holoviews.element import BoxWhisker
  from .test_plot import TestMPLPlot, mpl_renderer
label_desc: Use image node_id 2 for calling the TestMPLBoxWhiskerPlot obj's underlying member method code with example usage: obj.test_boxwhisker_simple_overlay() without return types