code: def __init__(self):
      super().__init__()
      core_tests.fill_suite(self.get_suite())
  
imports: import unittest
  from pyclustering.tests.suite_holder import suite_holder
  import matplotlib
  from pyclustering.core.tests import ut_package
  import os
  import warnings
  from pyclustering.core.definitions import PATH_PYCLUSTERING_CCORE_LIBRARY
  from pyclustering.core.wrapper import ccore_library
label_desc: Use image node_id 1 to create a new core_tests object from inherited base classes: suite_holder with example: obj = core_tests()