code: def testGridEightConnections1MatrixRepresentation(self):
      net = network(1, type_conn=conn_type.GRID_EIGHT)
      self.templateGridEightConnectionsTest(net)
  
imports: import unittest
  import math
  from pyclustering.nnet import network, conn_type, conn_represent
label_desc: Use image node_id 28 for calling the NnetUnitTest obj's underlying member method code with example usage: obj.testGridEightConnections1MatrixRepresentation() without return types