* Factored out some commonality between tests to make them a bit
simpler to write. A test is a function { pkgs, ... }: -> { nodes,
testScript } or { machine, testScript }. So it's no longer
necessary to have a "vms" attribute in every test.
svn path=/nixos/trunk/; revision=19220
3 server and two clients. The clients connect to the server and do
nothing (except getting blown by the bots). After a few seconds we
verify that the clients indeed connected successfully, and make a
screenshot of the X displays of the clients.
svn path=/nixos/trunk/; revision=16951
