code: def test_saved_content(self, input_data):
      with tempfile.TemporaryDirectory() as tempdir:
          image_path = os.path.join(tempdir, "testimage.png")
          pred_path = os.path.join(tempdir, "testpred.png")
          _ = DumpImagePrediction2Dd(
              image_path=image_path,
              pred_path=pred_path,
              pred_only=False,
          )(input_data)
          self.assertTrue(os.path.exists(image_path))
          self.assertTrue(os.path.exists(pred_path))
  
imports: import os
  import tempfile
  import unittest
  import numpy
  from parameterized import parameterized
  from monailabel.transform.post import BoundingBoxd, DumpImagePrediction2Dd, ExtremePointsd, FindContoursd, LargestCCd, MergeAllPreds, RenameKeyd, Restored
label_desc: Use image node_id 1 for calling the TestDumpImagePrediction2Dd obj's underlying member method code with example usage: obj.test_saved_content(input_data) without return types