[SSSD] [sssd PR#793][comment] ci: improve Jenkinsfile and add Fedora 30

URL: https://github.com/SSSD/sssd/pull/793 Title: #793: ci: improve Jenkinsfile and add Fedora 30

pbrezina commented: """ The review process takes too long here. Either someone look at these changes or please, given it changes only Jenkinsfile and related scripts, push it without a review (@jhrozek). This way we are missing the good stuff these commits brings to the project, such as running the full set of tests and actually seeing test-suite.log which was not previously archived.

* current master is failing on rawhide: https://s3.eu-central-1.amazonaws.com/sssd-ci/PR-793/2/fedora-rawhide/test-s... """

See the full comment at https://github.com/SSSD/sssd/pull/793#issuecomment-499863284