Added parametrization of workers.

Change-Id: I657f405843b944ae88bd1bb95b4efbeebacde12f
diff --git a/tests/pillar/cluster.sls b/tests/pillar/cluster.sls
index 04456e8..3e0e665 100644
--- a/tests/pillar/cluster.sls
+++ b/tests/pillar/cluster.sls
@@ -2,6 +2,7 @@
   server:
     enabled: true
     version: liberty
+    workers: 8
     database:
       engine: mysql
       host: 127.0.0.1
@@ -33,4 +34,4 @@
       virtual_host: '/openstack'
       ha_queues: true
     storage:
-      engine: file
\ No newline at end of file
+      engine: file
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