code: def test_getCheckSum(self):
      name = self.jsonParser.getCheckSum(self.json_without_segmentation)
      self.assertEqual(
          name,
          "SHA256:f1f8ef13433b1f0966e589818f3180750606eff69b3bc4a55e0181d7a9da8da1",
      )
  
imports: import json
  import os
  import sys
  import unittest
  from MONAILabelReviewerLib.ImageData import ImageData
  from MONAILabelReviewerLib.JsonParser import JsonParser
label_desc: Use image node_id 5 for calling the JsonParserTest obj's underlying member method code with example usage: obj.test_getCheckSum() without return types