diff --git a/tests/pillar/single.sls b/tests/pillar/single.sls
index b348efb..7512001 100644
--- a/tests/pillar/single.sls
+++ b/tests/pillar/single.sls
@@ -2,6 +2,7 @@
   server:
     enabled: true
     version: liberty
+    workers: 1
     database:
       engine: mysql
       host: localhost
@@ -30,4 +31,4 @@
       password: password
       virtual_host: '/openstack'
     storage:
-      engine: file
\ No newline at end of file
+      engine: file