Enable multiple workers for alarm-gen

Change-Id: I31464193406b3f1e12c3a75e24b5557f9c755564
Closes-Bug: PROD-16431
diff --git a/tests/pillar/single.sls b/tests/pillar/single.sls
index 97fed12..859caf7 100644
--- a/tests/pillar/single.sls
+++ b/tests/pillar/single.sls
@@ -73,6 +73,9 @@
     discovery:
       host: 127.0.0.1
     data_ttl: 2
+    alarm_gen:
+      workers: 1
+      port_prefix: 59
     database:
       members:
       - host: 127.0.0.1