add test pillar for system.kernel.elevator
diff --git a/tests/pillar/system.sls b/tests/pillar/system.sls
index cba1aea..06a1bdc 100644
--- a/tests/pillar/system.sls
+++ b/tests/pillar/system.sls
@@ -18,6 +18,7 @@
       default: "linux.ci.local$"
     kernel:
       isolcpu: 1,2,3,4
+      elevator: deadline
     sysfs:
       scheduler:
         block/sda/queue/scheduler: deadline