code: def test_trimesh_op_node_line_width(self):
      edges = [(0, 1, 2), (1, 2, 3)]
      nodes = [
          (-1, -1, 0, 0.2),
          (0, 0, 1, 0.6),
          (0, 1, 2, 1),
          (1, 0, 3, 0.3),
      ]
      trimesh = TriMesh((edges, Nodes(nodes, vdims="line_width"))).opts(
          node_line_width="line_width"
      )
      plot = bokeh_renderer.get_plot(trimesh)
      cds = plot.handles["scatter_1_source"]
      glyph = plot.handles["scatter_1_glyph"]
      self.assertEqual(
          property_to_dict(glyph.line_width),
          {"field": "node_line_width"},
      )
      self.assertEqual(
          cds.data["node_line_width"], np.array([0.2, 0.6, 1, 0.3])
      )
  
imports: import numpy
  from bokeh.models import EdgesAndLinkedNodes, NodesAndLinkedEdges, NodesOnly, Patches
  from bokeh.models.mappers import CategoricalColorMapper, LinearColorMapper
  from holoviews.core.data import Dataset
  from holoviews.element import Chord, Graph, Nodes, TriMesh, VLine, circular_layout
  from holoviews.plotting.bokeh.util import property_to_dict
  from holoviews.util.transform import dim
  from .test_plot import TestBokehPlot, bokeh_renderer
label_desc: Use image node_id 11 for calling the TestBokehTriMeshPlot obj's underlying member method code with example usage: obj.test_trimesh_op_node_line_width() without return types