code: def testClusteringHeptaByCore(self):
      OpticsTestTemplates.templateClusteringResults(
          FCPS_SAMPLES.SAMPLE_HEPTA,
          1,
          3,
          None,
          [30, 30, 30, 30, 30, 30, 32],
          True,
      )
  
imports: import unittest
  import matplotlib
  from pyclustering.cluster.tests.optics_templates import OpticsTestTemplates
  from pyclustering.cluster.optics import optics
  from pyclustering.samples.definitions import SIMPLE_SAMPLES, FCPS_SAMPLES
  from pyclustering.core.tests import remove_library
label_desc: Use image node_id 11 for calling the OpticsIntegrationTest obj's underlying member method code with example usage: obj.testClusteringHeptaByCore() without return types