tests: fix display, the return 8

BoboTiG · BoboTiG · commit 720704868af2 · 2016-10-08T16:33:24.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -10,9 +10,8 @@ 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 -screen 0 1280x1024x24
-#  - /usr/bin/Xvfb +extension RANDR :99 -ac -screen 0 1280x1024x24 &
-  - sleep 3
+  - /sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile
+    --background --exec /usr/bin/Xvfb -- :99 -ac -screen 0 1280x1024x16 +extension RANDR
 
 install:
   - python setup.py install
