relay: prevent test and daemonise together
relay: prevent test and daemonise together

test (-t) mode interacts with the terminal, while daemonisation (-D)
detaches from that, so makes no sense to combine the two.

piotr1212/carbon-c-relay,piotr1212/carbon-c-relay,grobian/carbon-c-relay,piotr1212/carbon-c-relay,grobian/carbon-c-relay,piotr1212/carbon-c-relay,grobian/carbon-c-relay