code: def test_freeze_simple_script(self):
      script = textwrap.dedent(
          """
              import sys
              print('running...')
              sys.exit(0)
              """
      )
      with os_helper.temp_dir() as outdir:
          outdir, scriptfile, python = helper.prepare(script, outdir)
          executable = helper.freeze(python, scriptfile, outdir)
          text = helper.run(executable)
      self.assertEqual(text, "running...")
  
file_path: cpython/Lib/test/test_tools/test_freeze.py
imports: import sys
  import textwrap
  import unittest
  from test import support
  from test.support import os_helper
  from test.test_tools import imports_under_tool, skip_if_missing
label_desc: Use image node_id 1 for calling the TestFreeze obj's underlying member method code with example usage: obj.test_freeze_simple_script() without return types