Add LIO barbican tests to .zuul.yaml

Load the LIO job from Cinder's repo where it
is defined.

Change-Id: I30723c5224cb9cc8d02a6099491aa2f4b1cbec46

.gitignore

@@ -3,6 +3,7 @@
 !.gitignore
 !.mailmap
 !.testr.conf
+!.zuul.yaml
 /.*
 
 *.py[cod]

.zuul.yaml

@@ -20,12 +20,19 @@
             irrelevant-files:
               - ^(test-|)requirements.txt$
               - ^setup.cfg$
+        - os-brick-cinder-tempest-dsvm-lvm-lio-barbican
     gate:
       jobs:
         - legacy-tempest-dsvm-full-lio-src-os-brick:
             irrelevant-files:
               - ^(test-|)requirements.txt$
               - ^setup.cfg$
+        - os-brick-cinder-tempest-dsvm-lvm-lio-barbican
     experimental:
       jobs:
         - openstack-tox-pylint
+- job:
+    name: os-brick-cinder-tempest-dsvm-lvm-lio-barbican
+    parent: cinder-tempest-dsvm-lvm-lio-barbican
+    required-projects:
+      - openstack/cinder