docstr: Test boundary computation function.
  
          
docstr_tok: ["Test","boundary","computation","function","."]
code: def test_get_bounds(self):
      """Test boundary computation function."""
  
      order = ["o2", "o1", "o1"]
      start, end = self.plot._get_bounds(self.ann_bins, order)
  
      self.assertEqual(start, np.array([0.75, 0.5, 0.5]))
      self.assertEqual(end, np.array([1, 0.75, 0.75]))
  
imports: from itertools import product
  import numpy
  from bokeh.models import ColorBar
  from holoviews.core.spaces import HoloMap
  from holoviews.element.raster import HeatMap
  from holoviews.plotting.bokeh import RadialHeatMapPlot
  from .test_plot import TestBokehPlot, bokeh_renderer
label_desc: Use image node_id 5 for calling the BokehRadialHeatMapPlotTests obj's underlying member method code with example usage: obj.test_get_bounds() without return types