tests

add support for keep_packages_locked on request revoke #268

Job	Run time
unit (registry.fedoraproject.org/fedora:36)	1m 36s
unit (registry.fedoraproject.org/fedora:rawhide)	54s
unit (registry.opensuse.org/opensuse/leap:15.3)	1m 48s
unit (registry.opensuse.org/opensuse/leap:15.4)	2m 21s
unit (registry.opensuse.org/opensuse/leap:15.5)	1m 22s
unit (registry.opensuse.org/opensuse/tumbleweed)	1m 4s
unit (quay.io/centos/centos:stream9)	31s
unit (docker.io/library/debian:stable)	33s
unit (docker.io/library/debian:unstable)	37s
unit (docker.io/library/ubuntu:latest)	42s
behave	15m 19s
	26m 47s

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