code: def testBidirListConnections(self):
      net = network(10, type_conn=conn_type.LIST_BIDIR)
      self.templateBidirListConnectionsTest(net)
  
imports: import unittest
  import math
  from pyclustering.nnet import network, conn_type, conn_represent
label_desc: Use image node_id 12 for calling the NnetUnitTest obj's underlying member method code with example usage: obj.testBidirListConnections() without return types