def METHOD_NAME(self):
    args = ["-checkmempool", "-debug=mempool"]
    self.nodes = []
    self.nodes.append(start_node(0, self.options.tmpdir, args))
    self.nodes.append(start_node(1, self.options.tmpdir, args))
    connect_nodes(self.nodes[1], 0)
    self.is_network_split = False
    self.sync_all()