Add tests for proxy rate limiting
diff --git a/.kitchen.yml b/.kitchen.yml
index 2db27ce..cfb7f2a 100644
--- a/.kitchen.yml
+++ b/.kitchen.yml
@@ -60,6 +60,11 @@
       pillars-from-files:
         nginx.sls: tests/pillar/proxy.sls
 
+  - name: proxy-rate-limit
+    provisioner:
+      pillars-from-files:
+        nginx.sls: tests/pillar/proxy_rate_limit.sls
+
   - name: redirect
     provisioner:
       pillars-from-files: