Fix name in .kitchen.travis.yml file

Change-Id: Ie4a4d166391added88500fb720ac69a20ff595b4
diff --git a/.kitchen.travis.yml b/.kitchen.travis.yml
index f847543..aa1f2ef 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
+        nginx.sls: tests/pillar/<%= ENV['SUITE'] %>.sls