ci: test travis ci job build setup

Author: Harrison Ifeanyichukwu

.travis.yml

@@ -1,9 +1,17 @@
 language: php
 php:
   - 7.1
-  - 7.2
 before_script:
   - composer self-update
   - composer install
 script:
   - vendor/bin/phpunit
+jobs:
+  include:
+    - stage: release
+      php: "7.2"
+      before_script:
+        - composer self-update
+        - composer install
+      script:
+        - vendor/bin/phpunit