Add a test to ensure RabbitMQ is listenning to the good port by default

vagrant/standalone.yml

@@ -2,8 +2,6 @@
 - hosts: rabbit-standalone
   roles:
     - role: rabbitmq
-      rabbitmq_ssl: true
-      rabbitmq_conf_tcp_listeners_address: '0.0.0.0'
       rabbitmq_vhost_definitions:
         - name: sensu
       rabbitmq_users_definitions:

vagrant/test_standalone.yml

@@ -1,4 +1,19 @@
 ---
+- shell: netstat -an | grep 0.0.0.0:5672.*LISTEN
+  register: test_result
+  ignore_errors: True
+- name: rabbitmq should not be listenning to the unencrypted port
+  assert:
+    that:
+      - test_result|failed
+
+- shell: netstat -an | grep 0.0.0.0:5671.*LISTEN
+  register: test_result
+- name: rabbitmq should be listenning to the ssl port
+  assert:
+    that:
+      - test_result|success
+
 - shell: rabbitmqctl list_vhosts | grep sensu
   register: test_result
 - name: ensure the sensu vhost was added