The test is crashing regularly (see bugreport).
Currently the test is not run in the regular CI system, that is why
the failures were not noticed.
Task-number: QTBUG-47128
Change-Id: I70d4ada0872316cc63d7629bb9ab2d055d70cf2a
Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>