halve the time spent on CI testing
halve the time spent on CI testing

msimerson/qpsmtpd,salvis/qpsmtpd,smtpd/qpsmtpd,msimerson/qpsmtpd,priyadi/qpsmtpd,priyadi/qpsmtpd,sieutruc/qpsmtpd,sieutruc/qpsmtpd,smtpd/qpsmtpd,priyadi/qpsmtpd,sieutruc/qpsmtpd,salvis/qpsmtpd