code: def assert_shape_element_styling(self, element):
      props = dict(
          fillcolor="orange",
          line_color="yellow",
          line_dash="dot",
          line_width=5,
          opacity=0.7,
      )
  
      element = element.clone().opts(**props)
      state = self._get_plot_state(element)
      shapes = state["layout"]["shapes"]
      self.assert_property_values(shapes[0], props)
  
imports: import numpy
  from holoviews.element import Bounds, Box, HLine, Path, Rectangles, Segments, Tiles, VLine
  from .test_plot import TestPlotlyPlot
label_desc: Use image node_id 1 for calling the TestShape obj's underlying member method code with example usage: obj.assert_shape_element_styling(element) without return types