code: def testCreationDeletionByCore(self):
      # Crash occurs in case of memory leak
      for _ in range(0, 15):
          network = sync_network(
              4096, 1, type_conn=conn_type.ALL_TO_ALL, ccore=True
          )
          del network
  
imports: import unittest
  import matplotlib
  from pyclustering.nnet.tests.sync_templates import SyncTestTemplates
  from pyclustering.nnet import conn_type, solve_type
  from pyclustering.nnet.sync import sync_network
  from pyclustering.core.tests import remove_library
label_desc: Use image node_id 2 for calling the SyncIntegrationTest obj's underlying member method code with example usage: obj.testCreationDeletionByCore() without return types