test Test:
    node n1
    node n2
    node n3

    local:
        shell on n1:
            ping ${n3.ip} -c 1

        shell on n2:
            ping ${n3.ip} -c 1

    local:
        disconnect_node n1

        shell on n1:
            ! ping ${n3.ip} -c 1

        shell on n2:
            ping ${n3.ip} -c 1

    local:
        shell on n1:
            ping ${n3.ip} -c 1

        shell on n2:
            ping ${n3.ip} -c 1