def set_test_params(self):
        self.num_nodes = 1
        self.extra_args = [[
            '-whitelist=noban@127.0.0.1',
            '-par=1',  # Use only one script thread to get the exact reject reason for testing
            '-acceptnonstdtxn=1',  # cltv_invalidate is nonstandard
        ]]
        self.setup_clean_chain = True
        self.rpc_timeout = 480