code: def test_release(self):
      res = platform.release()
  
imports: import os
  import copy
  import pickle
  import platform
  import subprocess
  import sys
  import unittest
  from unittest import mock
  from test import support
  from test.support import os_helper
label_desc: Use image node_id 7 for calling the PlatformTest obj's underlying member method code with example usage: obj.test_release() without return types