introduce test-kitchen

Change-Id: I374cb4a534e260c00a3cca178ec1d03c2faebcbf
Implements: blueprint service-level-testing
diff --git a/tests/pillar/single.sls b/tests/pillar/single.sls
index 827cd88..a678d49 100644
--- a/tests/pillar/single.sls
+++ b/tests/pillar/single.sls
@@ -7,6 +7,12 @@
     bind:
       address: 127.0.0.1
       port: 80
+    plugin:
+      horizon_theme:
+        theme_name: ubuntu
+        source:
+          engine: pkg
+          name: openstack-dashboard-ubuntu-theme
     wsgi:
       processes: 3
       threads: 10
@@ -23,4 +29,5 @@
       port: 5000
       host: 127.0.0.1
       encryption: encryption
-      api_version: 2
\ No newline at end of file
+      api_version: 2
+