code: def test_store_scu(self, f2):
      f2.return_value = 0
      from monailabel.datastore.utils.dicom import store_scu
  
      store_scu(self.local_dataset)
  
imports: import os
  import tempfile
  import unittest
  from unittest.mock import patch
  from dicomweb_client import DICOMwebClient
label_desc: Use image node_id 3 for calling the TestDicom obj's underlying member method code with example usage: obj.test_store_scu(f2) without return types