Multiple connections/roles on same machine for same site?

Question

As a Contribute CS3 Administrator (newbie; just converted a
Dreamweaver site to work with Contribute), can I set up multiple
connections to the same site? I want to test the Publisher role and
Writer role on my development machine before creating connnection
keys for these roles for the customer who owns the site (and is
waiting with new Contribute licenses and eager but idle staff)?
I just want to be able to test my site under these roles
(using different passwords and username/email addresses), but there
seems no obvious way to do this as Contribute seems to allow me to
set up only one connection per URL, and also seems to want to wipe
out my existing Admin connection if I come on in another role (from
a connection key generated for a Publisher or Writer role).

Answer 1

Two problems with that:
1. Tried it by creating a connection key for a Publisher
role, but invoking the key zaps the old connection, so I no longer
have Administrator access without deleting then re-creating the
connection and setting myself up as Admin again.
2. When I went into the (new) connection as Publisher, it
would let me connect and see pages, but would NOT allow editing of
any pages (even though I had specifically looked when originally
defining the role to make sure all editing privileges were -- or
appeared to be -- intact).