code: def testCoreInterfaceIntInputData(self):
      result = False
      for _ in range(0, 20, 1):
          syncnet_instance = syncnet(
              [[1], [2], [3], [20], [21], [22]],
              3,
              conn_represent.MATRIX,
              initial_type.EQUIPARTITION,
              ccore=True,
          )
          analyser = syncnet_instance.process(0.999, solve_type.FAST)
  
          result = len(analyser.allocate_clusters(0.1)) == 2
          if result is True:
              break
  
      assert True == result
  
imports: import unittest
  from numpy import pi
  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
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
  from pyclustering.core.tests import remove_library
label_desc: Use image node_id 28 for calling the SyncnetIntegrationTest obj's underlying member method code with example usage: obj.testCoreInterfaceIntInputData() without return types