tests: fix display, the return 3

BoboTiG · BoboTiG · commit 3ee6a60451ee · 2016-10-08T15:56:40.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -10,8 +10,7 @@ python:
 
 before_install:
   - export DISPLAY=:99.0
-  - /sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -ac -screen 0 1280x1024x32
-  - sleep 3
+  - sh -e /etc/init.d/xvfb start
 
 install:
   - python setup.py install
