code: def test_jsonToImageData(self):
      imageData: ImageData = self.jsonParser.jsonToImageData(
          "6662775.dcm", self.json_with_segmentation
      )
      self.assertEqual(imageData.getName(), "6662775.dcm")
      self.assertEqual(imageData.getFileName(), "6662775.dcm")
      self.assertEqual(
          imageData.getCheckSum(),
          "SHA256:1b474d23bda3de0c28f4287a7c0380d461e9f71d0dc468e64f336412cb575327",
      )
      self.assertEqual(imageData.isSegemented(), True)
      self.assertEqual(imageData.getClientId(), "Annotator")
      self.assertEqual(imageData.getStatus(), "flagged")
      self.assertEqual(imageData.getLevel(), "easy")
      self.assertEqual(imageData.getApprovedBy(), "Prof Radiogolist")
      self.assertEqual(
          imageData.getTimeOfAnnotation(), "2021-12-16 10:35:51"
      )
  
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 18 for calling the JsonParserTest obj's underlying member method code with example usage: obj.test_jsonToImageData() without return types