Description of problem:

### Kind of issue

Infra request:

Need a Jenkins job for gluster-block project which should run per PR (and may be more events like, refresh of PR) to help figure out any possible regressions and to help build overall confidence of upstream master branch.


### Other useful information

Repo:
https://github.com/gluster/gluster-block

To start with, we can build like we do with [travis](https://github.com/gluster/gluster-block/blob/master/extras/docker/Dockerfile.fedora29)

Need to install run time dependencies:
# yum install glusterfs-server targetcli tcmu-runner

then start glusterd
# systemctl start glusterd

Then run simple test case
# [./tests/basic.t](https://github.com/gluster/gluster-block/blob/master/tests/basic.t)