code: def xtest_generate_key(self):
      from monailabel.datastore.utils.dicom import generate_key
  
      generate_key("xyz", "1.2.", "3.2")
  
imports: import os
  import tempfile
  import unittest
  from unittest.mock import patch
  from dicomweb_client import DICOMwebClient
label_desc: Use image node_id 1 for calling the TestDicom obj's underlying member method code with example usage: obj.xtest_generate_key() without return types