feat(travis): update travis configuration to add sleep

Ismael Ramos · iramos · commit f4b61836bd8f · 2019-06-20T11:39:23.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -33,6 +33,7 @@ before_script:
   - npm run build:library
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
+  - sleep 3
 
 script:
   - npm run lint
