code: def testSyncEnsemblesAllUnstimulatedByCore(self):
      PcnnTestTemplates.templateSyncEnsemblesAllocation(
          25, conn_type.ALL_TO_ALL, 20, [0] * 25, True, []
      )
  
imports: import unittest
  from pyclustering.nnet.tests.pcnn_templates import PcnnTestTemplates
  from pyclustering.nnet import conn_type, conn_represent
  from pyclustering.core.tests import remove_library
label_desc: Use image node_id 9 for calling the PcnnIntegrationTest obj's underlying member method code with example usage: obj.testSyncEnsemblesAllUnstimulatedByCore() without return types