Add plugins to test pillars and enable services testing

Change-Id: I25bed145c6a03cd5c134a5e33a090bffb695a69c
diff --git a/.travis.yml b/.travis.yml
index f6f2e45..937cb9a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,6 +19,8 @@
 env:
   - PLATFORM=trevorj/salty-whales:trusty SUITE=rabbitmq_server
   - PLATFORM=trevorj/salty-whales:xenial SUITE=rabbitmq_server
+#  - PLATFORM=trevorj/salty-whales:trusty SUITE=rabbitmq_ssl_server
+#  - PLATFORM=trevorj/salty-whales:xenial SUITE=rabbitmq_ssl_server
 
 before_script:
   - set -o pipefail