def test_sslTimeout(self):
        """
        For I{HTTPS} URIs, L{xmlrpc.Proxy.callRemote} passes the value it
        received for the C{connectTimeout} parameter as the C{timeout} argument
        to the underlying connectSSL call.
        """
        reactor = MemoryReactor()
        proxy = xmlrpc.Proxy(b"https://127.0.0.1:69", connectTimeout=3.0,
                             reactor=reactor)
        proxy.callRemote("someMethod")
        self.assertEqual(reactor.sslClients[0][4], 3.0)

        For I{HTTPS} URIs, L{xmlrpc.Proxy.callRemote} passes the value it
        received for the C{connectTimeout} parameter as the C{timeout} argument
        to the underlying connectSSL call.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/web/test/test_xmlrpc.py