'Create a new XML-RPC server with C{allowNone} set to C{True}.'

def setUp(self):

    kwargs = {self.flagName: True}
    self.p = reactor.listenTCP(0, server.Site(Test(**kwargs)), interface='127.0.0.1')
    self.addCleanup(self.p.stopListening)
    self.port = self.p.getHost().port
    self.proxy = xmlrpc.Proxy(networkString(('http://127.0.0.1:%d/' % (self.port,))), **kwargs)
