code: def test_box_whisker_padding_square(self):
      curve = BoxWhisker([1, 2, 3]).opts(padding=0.1)
      plot = mpl_renderer.get_plot(curve)
      y_range = plot.handles["axis"].get_ylim()
      self.assertEqual(y_range[0], 0.8)
      self.assertEqual(y_range[1], 3.2)
  
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 3 for calling the TestMPLBoxWhiskerPlot obj's underlying member method code with example usage: obj.test_box_whisker_padding_square() without return types