baseline base tests: pass baseline candidate tests: pass baseline identity: pass send-no-preview-check base tests survived candidate tests killed identity same send-needs-any-preview base tests survived candidate tests killed identity same send-message-reworded base tests survived candidate tests killed identity same send-no-append base tests survived candidate tests killed identity same send-append-always base tests killed candidate tests killed identity differs send-append-before-preview base tests survived candidate tests killed identity same send-default-on base tests killed candidate tests killed identity differs send-no-serve-set base tests survived candidate tests killed identity same send-takes-value base tests survived candidate tests killed identity same send-flag-unknown base tests survived candidate tests killed identity same status-send-always-off base tests survived candidate tests killed identity same status-send-always-on base tests survived candidate tests killed identity differs status-no-send-line base tests survived candidate tests killed identity same status-send-anywhere base tests survived candidate tests killed identity same status-send-suffix-only base tests survived candidate tests killed identity same 15 mutants: candidate tests kill 15