Fix name in .kitchen.travis.yml file

Change-Id: If3ac0785d367a472e20c0a682f6804480da1fc2c
diff --git a/.kitchen.travis.yml b/.kitchen.travis.yml
index f847543..8d7138e 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
+        heat.sls: tests/pillar/<%= ENV['SUITE'] %>.sls