this test seems not to work always properly, as it uses threads. anyway, the test depends on the inner functionality of the poller, which might be replaced soon Change-Id: I64f54046bfd1a8c70f8a9f20d518ab2f9967c33b Reviewed-on: https://forge.frm2.tum.de/review/20921 Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de> Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de> Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>