Add display to Travis CI

UltimatePea · UltimatePea · commit 70a35c37cf9b · 2017-03-29T15:15:36.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,8 @@
 language: java
 jdk:
   - oraclejdk8
+
+before_script:
+  - "export DISPLAY=:99.0"
+  - "sh -e /etc/init.d/xvfb start"
+  - sleep 3 # give xvfb some time to start
