code: def test_get_edges(self):
      edges_expected = [
          ["family_out", "dog_out"],
          ["bowel_problem", "dog_out"],
          ["family_out", "light_on"],
          ["dog_out", "hear_bark"],
      ]
      self.assertListEqual(
          sorted(self.reader.edge_list), sorted(edges_expected)
      )
  
imports: import os
  import unittest
  import xml.etree.ElementTree
  import numpy
  import numpy.testing
  from pgmpy import config
  from pgmpy.factors.discrete import TabularCPD
  from pgmpy.models import BayesianNetwork
  from pgmpy.readwrite import XMLBIFReader, XMLBIFWriter
label_desc: Use image node_id 5 for calling the TestXMLBIFReaderMethodsFile obj's underlying member method code with example usage: obj.test_get_edges() without return types