code: def test_registering(self):
      # this test runs choice 2
      cmd = self._get_cmd()
      inputs = RawInputs("2", "tarek", "tarek@ziade.org")
      register_module.raw_input = inputs.__call__
      try:
          # let's run the command
          cmd.run()
      finally:
          del register_module.raw_input
  
      # we should have send a request
      self.assertEqual(len(self.conn.reqs), 1)
      req = self.conn.reqs[0]
      headers = dict(req.headers)
      self.assertEqual(headers["Content-length"], "608")
      self.assertIn("tarek", req.data)
  
imports: import os
  import unittest
  import getpass
  import urllib2
  import warnings
  from test.test_support import check_warnings, run_unittest
  from distutils.command import register
  from distutils.command.register import register
  from distutils.errors import DistutilsSetupError
  from distutils.tests.test_config import PyPIRCCommandTestCase
label_desc: Use image node_id 6 for calling the RegisterTestCase obj's underlying member method code with example usage: obj.test_registering() without return types