def METHOD_NAME(self, split=False):
    args = ['-debug=zrpcunsafe', '-experimentalfeatures', '-zmergetoaddress', '-maxtipage=3153600000'] # 60 * 60 * 24 * 365 * 100
    self.nodes = []
    self.nodes.append(start_node(0, self.options.tmpdir, args))
    self.nodes.append(start_node(1, self.options.tmpdir, args))
    self.nodes.append(start_node(2, self.options.tmpdir, args))
    connect_nodes_bi(self.nodes,0,1)
    connect_nodes_bi(self.nodes,1,2)
    connect_nodes_bi(self.nodes,0,2)
    self.is_network_split=False
    self.sync_all()