vtest "vinyl-cli pid command"

vinyl v1 -cliexpect "^Master: +[0-9]+\n$" pid
vinyl v1 -cliok "pid -j"

vinyl v1 -vcl {backend be none;} -start

vinyl v1 -cliexpect "^Master: +[0-9]+\nWorker: +[0-9]+\n$" pid
vinyl v1 -cliok "pid -j"
