code: def testClusterAllocationSampleSimple2(self):
      SyncnetTestTemplates().templateLengthProcessData(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 3, [10, 5, 8], False
      )
  
imports: import unittest
  import matplotlib
  from pyclustering.cluster.somsc import somsc
  from pyclustering.cluster.tests.somsc_templates import SyncnetTestTemplates
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
label_desc: Use image node_id 3 for calling the SomscUnitTest obj's underlying member method code with example usage: obj.testClusterAllocationSampleSimple2() without return types