code: def test_socket(self):
      with socket.socket(socket.AF_UNIX) as s:
          s.bind(TESTFN)
          st_mode, modestr = self.get_mode()
          self.assertEqual(modestr[0], "s")
          self.assertS_IS("SOCK", st_mode)
  
imports: import unittest
  import os
  import socket
  import sys
  from test.support import os_helper
  from test.support import socket_helper
  from test.support.import_helper import import_fresh_module
  from test.support.os_helper import TESTFN
label_desc: Use image node_id 9 for calling the TestFilemode obj's underlying member method code with example usage: obj.test_socket() without return types