code: def testConnectionApi(self):
      SyncnetTestTemplates.templateConnectionApi(
          conn_represent.MATRIX, False
      )
      SyncnetTestTemplates.templateConnectionApi(
          conn_represent.LIST, False
      )
  
imports: import unittest
  import matplotlib
  from pyclustering.nnet import initial_type, conn_represent, solve_type
  from pyclustering.cluster.tests.syncnet_templates import SyncnetTestTemplates
  from pyclustering.cluster.syncnet import syncnet, syncnet_visualizer
  from pyclustering.utils import read_sample
  from numpy import pi
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
label_desc: Use image node_id 30 for calling the SyncnetUnitTest obj's underlying member method code with example usage: obj.testConnectionApi() without return types