docstr: all edge attributes should be set correctly
docstr_tok: ["all","edge","attributes","should","be","set","correctly"]
code: def test_all_edge_attributes(self):
      """all edge attributes should be set correctly"""
      sm = StructureModel([("a", "b"), ("b", "c")])
      a_graph = plot_structure(sm)
  
      test_color = "white"
  
      assert all(
          obj["color"] == default_edge_color for obj in a_graph.edges
      )
  
      a_graph = plot_structure(
          sm, all_edge_attributes={"color": test_color}
      )
      assert all(obj["color"] == test_color for obj in a_graph.edges)
  
file_path: causalnex/tests/test_plotting.py
imports: from collections import namedtuple
  from causalnex.plots import EDGE_STYLE, GRAPH_STYLE, plot_structure
  from causalnex.structure import StructureModel
label_desc: Use image node_id 4 for calling the TestToPyvis obj's underlying member method code with example usage: obj.test_all_edge_attributes() without return types