code: def test_getApprovedSegmentationIds(self):
      idsOfApprovedSementations = (
          self.imageDataExtractor.getApprovedSegmentationIds()
      )
      self.assertEqual(1, len(idsOfApprovedSementations))
  
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 31 for calling the ImageDataExtractorTest obj's underlying member method code with example usage: obj.test_getApprovedSegmentationIds() without return types