code: def setUp(self):
      self.previous_backend = Store.current_backend
      Store.current_backend = "plotly"
      self.renderer = PlotlyRenderer.instance()
      self.nbcontext = Renderer.notebook_context
      self.comm_manager = Renderer.comm_manager
      with param.logging_level("ERROR"):
          Renderer.notebook_context = False
          Renderer.comm_manager = CommManager
  
imports: import panel
  import param
  from panel.widgets import DiscreteSlider, FloatSlider, Player
  from pyviz_comms import CommManager
  from holoviews import Curve, DynamicMap, HoloMap, Store
  from holoviews.element.comparison import ComparisonTestCase
  from holoviews.plotting.plotly import PlotlyRenderer
  from holoviews.plotting.renderer import Renderer
  from holoviews.streams import Stream
label_desc: Use image node_id 1 for calling the PlotlyRendererTest obj's underlying member method code with example usage: obj.setUp() without return types