code: def test_isApproved(self):
      isApproved = self.parsedImageDataWithMultiVersions.isApproved()
      self.assertTrue(isApproved)
  
imports: import json
  import os
  import sys
  import unittest
  from MONAILabelReviewerLib.ImageData import ImageData
  from MONAILabelReviewerLib.JsonParser import JsonParser
  from MONAILabelReviewerLib.SegmentationMeta import SegmentationMeta
label_desc: Use image node_id 26 for calling the ImageDataTest obj's underlying member method code with example usage: obj.test_isApproved() without return types