code: def test_clustering_diagonal_neighbors(self):
      bang_test_template.clustering(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 3, 0.0, [10], 0, False
      )
  
imports: import unittest
  import matplotlib
  from pyclustering.cluster.tests.bang_templates import bang_test_template
  from pyclustering.cluster.bang import bang
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
label_desc: Use image node_id 3 for calling the bang_unit_test obj's underlying member method code with example usage: obj.test_clustering_diagonal_neighbors() without return types