code: def testSimulateCheckWinnerGridFourByCoreStoreLoad(self):
      SomTestTemplates.templateTestSimulate(
          type_conn.grid_four, True, store_load=True
      )
  
imports: import unittest
  import matplotlib
  from pyclustering.nnet.tests.som_templates import SomTestTemplates
  from pyclustering.nnet.som import som, type_conn, type_init, som_parameters
  from pyclustering.utils import read_sample
  from pyclustering.samples.definitions import SIMPLE_SAMPLES, FCPS_SAMPLES
  from pyclustering.core.tests import remove_library
label_desc: Use image node_id 27 for calling the SomIntegrationTest obj's underlying member method code with example usage: obj.testSimulateCheckWinnerGridFourByCoreStoreLoad() without return types