KGEngine tests are failing

[ndelaforge]

$ git clone [email protected]:Wimmics/corese.git
$ cd corese/
$ mvn package
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] corese-parent ...................................... SUCCESS [  0.456 s]
[INFO] kgram .............................................. SUCCESS [  0.952 s]
[INFO] sparql ............................................. SUCCESS [  0.301 s]
[INFO] kgenv .............................................. SUCCESS [  0.104 s]
[INFO] engine ............................................. SUCCESS [  0.073 s]
[INFO] kgtool ............................................. SUCCESS [  9.584 s]
[INFO] kgengine ........................................... FAILURE [01:51 min]
[INFO] corese ............................................. SKIPPED
[INFO] kgdqp .............................................. SKIPPED
[INFO] corese-server ...................................... SKIPPED
[INFO] kgimport ........................................... SKIPPED
[INFO] rif ................................................ SKIPPED
[INFO] rtc ................................................ SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 02:03 min
[INFO] Finished at: 2016-02-08T13:34:17+01:00
[INFO] Final Memory: 28M/336M
[INFO] ------------------------------------------------------------------------

Is it possible to skip tests by default ? Just a line to add to the surefire config in the root pom file.