code: def ssl_protocol(self, *, waiter=None, proto=None):
      sslcontext = test_utils.dummy_ssl_context()
      if proto is None:  # app protocol
          proto = asyncio.Protocol()
      ssl_proto = sslproto.SSLProtocol(
          self.loop,
          proto,
          sslcontext,
          waiter,
          ssl_handshake_timeout=0.1,
      )
      self.assertIs(ssl_proto._app_transport.get_protocol(), proto)
      self.addCleanup(ssl_proto._app_transport.close)
      return ssl_proto
  
imports: import logging
  import socket
  import unittest
  import weakref
  from test import support
  from test.support import socket_helper
  from unittest import mock
  import asyncio
  from asyncio import log
  from asyncio import protocols
  from asyncio import sslproto
  from test.test_asyncio import utils
  from test.test_asyncio import functional
label_desc: Use image node_id 2 for calling the SslProtoHandshakeTests obj's underlying member method code with example usage: obj.ssl_protocol() and returns: ssl_proto