Fix integration tests on Arch (#7705)
* Fix ejabberd_user integration tests on Arch Linux.
* Fix odbc integration tests on Arch Linux.
* The old name of systemd_service is systemd.
(cherry picked from commit aea238e5d1)
Co-authored-by: Felix Fontein <felix@fontein.de>
* ejabberd_user: bug fixes + tests
* fix changed property
* add license to handler file
* adjustments to test
* add needs/target/setup_epel to aliases
* further adjustments to integration tests
* add target to integration tests
* add some skips to test
* skip centos as it has no ejabberd
* skip fedora as it has no ejabberd
* discard unused epel setup
* add changelog frag
* remove ejabberd before tests
* fix typo