Initiates an XID test between the node specified and the node
    indicated by the address or client argument.

    test  [node node-id] mop circuit circuit-name -
           address lan-address [,optional argument...]

    The Address information is required.  If Address is not specified
    in the command, then a Client must be specified which can supply
    the address information.

    test [node node-id] mop circuit circuit-name -
            client client-name [,optional argument...]

    The optional arguments for the test command are:  count, format,
    length, and sap.

    Examples:

    test mop circuit csmacd-1 address 08-00-2b-45-77-ED

    test mop circuit csmacd-1 -
         client lamchp           ! Client gives default Address

    The test requester function must be enabled on the MOP Circuit
    to perform the test operation.  You may enable this function
    using:

    enable mop circuit circuit-name function {test requester}