Add and enable an experimental variant of the cinder-storpool-tempest job

Change-Id: Id1ae1bcf3ec30148f4475c6e171d70c6f8390726
diff --git a/zuul.d/sp-cinder.yaml b/zuul.d/sp-cinder.yaml
index afe5491..e59d7ff 100644
--- a/zuul.d/sp-cinder.yaml
+++ b/zuul.d/sp-cinder.yaml
@@ -44,6 +44,12 @@
 #        (^(tempest\.((api\..*volume)|scenario\.test_encrypted_cinder_volumes|scenario\.test_volume|scenario\.test_shelve_instance))|(cinder_tempest_plugin))
 
 - job:
+    name: cinder-storpool-tempest-experimental
+    parent: cinder-storpool-tempest
+    vars:
+      sp_experimental: true
+
+- job:
     name: cinder-storpool-tempest-iscsi
     parent: cinder-storpool-tempest
     vars:
@@ -77,5 +83,7 @@
             branches: master
     experimental:
       jobs:
+        - cinder-storpool-tempest-experimental:
+            branches: master
         - cinder-storpool-tempest-iscsi:
             branches: master