consoletest_setup: after the setup is installed, it is still a LIVECD
testrun, but now the user has a password.

So instead of checking for LIVECD, we check for LIVETEST to not await a
password prompt.
Merge pull request #204 from DimStar77/livecd-login

consoletest_setup: after the setup is installed, it is still a LIVECD