fix(main): add npm run build to CI

Author: AlloVince

.travis.yml

@@ -7,6 +7,10 @@ notifications:
 node_js:
   - '9'
   - '8'
+script:
+- npm run build
+- npm run lint
+- npm test
 after_success:
   - npm run travis-deploy-once "npm run semantic-release"
 branches: