code: def testLackCrashGraphics(self):
      oscillatory_network = fsync_network(5)
  
      output_dynamic = oscillatory_network.simulate(50, 10, True)
  
      fsync_visualizer.show_output_dynamic(output_dynamic)
      fsync_visualizer.show_output_dynamics([output_dynamic])
  
imports: import unittest
  import matplotlib
  from pyclustering.nnet import conn_type, conn_represent
  from pyclustering.nnet.fsync import fsync_network, fsync_visualizer
label_desc: Use image node_id 29 for calling the FsyncUnitTest obj's underlying member method code with example usage: obj.testLackCrashGraphics() without return types