code: def testSyncOrderNetwork(self):
      # Check for order parameter of network with several oscillators
      network = sync_network(2, 1, ccore=False)
  
      sync_state = 1
      tolerance = 0.1
  
      network.simulate(50, 20, solve_type.RK4)
      assert (
          abs(network.sync_order() - sync_state) < tolerance
      ) == True
  
imports: import unittest
  import matplotlib
  from pyclustering.nnet.tests.sync_templates import SyncTestTemplates
  from pyclustering.nnet import solve_type, conn_type
  from pyclustering.nnet.sync import sync_network, sync_dynamic, sync_visualizer
  from pyclustering.utils import pi
label_desc: Use image node_id 4 for calling the SyncUnitTest obj's underlying member method code with example usage: obj.testSyncOrderNetwork() without return types