Hi,
If you enter the command:
management-access inside
Then you can do a:
ping inside 1.1.1.1
assuming that the 1.1.1.1 is an IP at the other end of the tunnel (part of the interesting traffic), and that the local interface is named ''inside''
In this way, you can bring up the tunnel from either ASA (without having any host on the local network to test with).
The only things to keep in mind is that the inside IP of the ASA should be part of the interesting traffic for this to work.
Let me know.
Federico.