code: def testNoFailureVisualizationApi(self):
      sample, observer = self.templateTestObserverCollecting(
          2, 10, True, True, True, random_state=1000
      )
  
      figure, _ = ga_visualizer.show_evolution(observer)
      ga_visualizer.close(figure)
  
      ga_visualizer.show_clusters(sample, observer)
      ga_visualizer.animate_cluster_allocation(sample, observer)
  
imports: import unittest
  import inspect
  import numpy
  import matplotlib
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
  from pyclustering.cluster.ga import genetic_algorithm, ga_observer, ga_visualizer
  from pyclustering.cluster.ga_maths import ga_math
  from pyclustering.utils import read_sample
label_desc: Use image node_id 26 for calling the GeneticAlgorithmClusteringUnitTest obj's underlying member method code with example usage: obj.testNoFailureVisualizationApi() without return types