code: def test_getApprovalProgressInPercentage(self):
      fraction = (
          self.imageDataExtractor.getApprovalProgressInPercentage()
      )
      self.assertEqual(33, fraction)
  
imports: import sys
  import unittest
  from typing import Dict, List
  from MONAILabelReviewerLib.ImageData import ImageData
  from MONAILabelReviewerLib.ImageDataExtractor import ImageDataExtractor
  from MONAILabelReviewerLib.MONAILabelReviewerEnum import Level, SegStatus
label_desc: Use image node_id 13 for calling the ImageDataExtractorTest obj's underlying member method code with example usage: obj.test_getApprovalProgressInPercentage() without return types