code: def test_visible(self):
      element = Bars([3, 2, 1]).opts(visible=False)
      state = self._get_plot_state(element)
      self.assertEqual(state["data"][0]["visible"], False)
  
file_path: holoviews/holoviews/tests/plotting/plotly/test_barplot.py
imports: import numpy
  from holoviews.element import Bars
  from .test_plot import TestPlotlyPlot
label_desc: Use image node_id 7 for calling the TestBarsPlot obj's underlying member method code with example usage: obj.test_visible() without return types