code: def fill_suite(utils_suite):
      utils_suite.addTests(
          unittest.TestLoader().loadTestsFromModule(
              dimension_unit_tests
          )
      )
      utils_suite.addTests(
          unittest.TestLoader().loadTestsFromModule(metric_unit_tests)
      )
      utils_suite.addTests(
          unittest.TestLoader().loadTestsFromModule(sampling_unit_tests)
      )
      utils_suite.addTests(
          unittest.TestLoader().loadTestsFromModule(
              utils_general_unit_tests
          )
      )
  
file_path: pyclustering/pyclustering/utils/tests/unit/__init__.py
imports: import unittest
  import matplotlib
  from pyclustering.tests.suite_holder import suite_holder
  from pyclustering.utils.tests.unit import ut_dimension
  from pyclustering.utils.tests.unit import ut_metric
  from pyclustering.utils.tests.unit import ut_sampling
  from pyclustering.utils.tests.unit import ut_utils
label_desc: Use image node_id 2 for calling the utils_unit_tests obj's underlying member method code with example usage: obj.fill_suite(utils_suite) without return types