code: def test_bars_suppress_legend(self):
      bars = Bars([("A", 1), ("B", 2)]).opts(show_legend=False)
      plot = bokeh_renderer.get_plot(bars)
      plot.initialize_plot()
      fig = plot.state
      self.assertEqual(len(fig.legend), 0)
  
imports: import numpy
  from bokeh.models import CategoricalColorMapper, LinearAxis, LinearColorMapper
  from holoviews.core.overlay import NdOverlay, Overlay
  from holoviews.element import Bars
  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 3 for calling the TestBarPlot obj's underlying member method code with example usage: obj.test_bars_suppress_legend() without return types