Add missing parts for rabbitmq ssl configuration

With this patch cacert/ssl chiphers will be configured correctly.

Change-Id: Ie69c3fd53135174f73b15fb7bc50b5a5fe189bb4
diff --git a/.travis.yml b/.travis.yml
index 8bb51f4..8cfa3da 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,10 +21,12 @@
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server_single
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=share_nexenta
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=share_glusterfs
+  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server_cluster_ssl
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server_cluster
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server_single
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=share_nexenta
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=share_glusterfs
+  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server_cluster_ssl
 
 before_script:
   - set -o pipefail