code: def testNoFailureShowEvolution(self):
      _, observer = self.templateTestObserverCollecting(
          2, 10, True, True, True, random_state=1000
      )
  
      figure, _ = ga_visualizer.show_evolution(observer, 2, 5)
      ga_visualizer.close(figure)
  
      figure, _ = ga_visualizer.show_evolution(
          observer, 2, len(observer)
      )
      ga_visualizer.close(figure)
  
      figure, _ = ga_visualizer.show_evolution(
          observer, 2, len(observer), display=False
      )
      ga_visualizer.close(figure)
  
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 27 for calling the GeneticAlgorithmClusteringUnitTest obj's underlying member method code with example usage: obj.testNoFailureShowEvolution() without return types