code: def test_visualize_no_failure_one_dimensional(self):
      bang_test_template.visualize(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE7, 4, 0.0, False
      )
      bang_test_template.visualize(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE8, 7, 0.0, 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 17 for calling the bang_unit_test obj's underlying member method code with example usage: obj.test_visualize_no_failure_one_dimensional() without return types