Added more testing stages to Travis config

Signed-off-by: Jaid <jaid.jsx@gmail.com>

Author: Jaid

.travis.yml

@@ -2,6 +2,13 @@ language: node_js
 node_js: [node, lts/*]
 cache:
   npm: true
+before_script:
+  - npm add --global pover
+script:
+  - pover install
+  - pover build:dev
+  - pover build:prod
+  - pover test
 jobs:
   include:
     - stage: Deploy