Index: /applications/editors/josm/plugins/mapillary/.travis.yml
===================================================================
--- /applications/editors/josm/plugins/mapillary/.travis.yml	(revision 31820)
+++ /applications/editors/josm/plugins/mapillary/.travis.yml	(revision 31821)
@@ -6,4 +6,8 @@
   - oraclejdk7
   - openjdk7
+before_script: # init GUI for tests that can't run headless
+  - "export DISPLAY=:99.0"
+  - "sh -e /etc/init.d/xvfb start"
+  - sleep 3
 script: ./gradlew build javadoc