code: def test_spikes_padding_hard_xrange(self):
      spikes = Spikes([1, 2, 3]).redim.range(x=(0, 3)).opts(padding=0.1)
      plot = bokeh_renderer.get_plot(spikes)
      x_range = plot.handles["x_range"]
      self.assertEqual(x_range.start, 0)
      self.assertEqual(x_range.end, 3)
  
imports: import datetime
  import numpy
  from bokeh.models import CategoricalColorMapper, LinearColorMapper
  from holoviews.core import NdOverlay
  from holoviews.element import Spikes
  from holoviews.plotting.bokeh.util import property_to_dict
  from ..utils import ParamLogStream
  from .test_plot import TestBokehPlot, bokeh_renderer
label_desc: Use image node_id 6 for calling the TestSpikesPlot obj's underlying member method code with example usage: obj.test_spikes_padding_hard_xrange() without return types