Fix name in .kitchen.travis.yml file

Change-Id: I74afd70bc25aed5a2f376aa2d38a90dcec82421c
diff --git a/.kitchen.travis.yml b/.kitchen.travis.yml
index f847543..b52f1ac 100644
--- a/.kitchen.travis.yml
+++ b/.kitchen.travis.yml
@@ -3,4 +3,4 @@
   - name: <%= ENV['SUITE'] %>
     provisioner:
       pillars-from-files:
-        neutron.sls: tests/pillar/<%= ENV['SUITE'] %>.sls
+        horizon.sls: tests/pillar/<%= ENV['SUITE'] %>.sls