Add plugins to test pillars and enable services testing

Change-Id: I25bed145c6a03cd5c134a5e33a090bffb695a69c
diff --git a/tests/pillar/rabbitmq_server.sls b/tests/pillar/rabbitmq_server.sls
index 577a576..b955196 100644
--- a/tests/pillar/rabbitmq_server.sls
+++ b/tests/pillar/rabbitmq_server.sls
@@ -8,6 +8,7 @@
     admin:
       name: adminuser
       password: pwd
+      service: rabbitmq-server
     host:
       '/':
         enabled: true
@@ -19,5 +20,6 @@
           definition: '{"ha-mode": "all"}'
     memory:
       vm_high_watermark: 0.4
-    plugins: ['']
-
+    plugins:
+    - amqp_client
+    - rabbitmq_management