Add s390x tests to travis

Author: elichai

.travis.yml

@@ -102,6 +102,12 @@ jobs:
         FILE_ENV="./ci/test/00_setup_env_arm.sh"
         QEMU_USER_CMD=""  # Can run the tests natively without qemu
 
+    - stage: test
+      name: 'S390x  [GOAL: install]  [unit tests, functional tests]'
+      arch: s390x
+      env: >-
+        FILE_ENV="./ci/test/00_setup_env_s390x.sh"
+
     - stage: test
       name: 'Win64  [GOAL: deploy]  [unit tests, no gui, no functional tests]'
       env: >-