steinberger tests

@gassmoeller, 2 steinberger tests are currently failing on master, can you please take a look at tell if the output is safe to be fixed? (steinberger-viscosity-adiabatic is a different number of iterations, but I don't know about steinberger-viscosity)

http://cdash.kyomu.43-1.org/viewTest.php?onlyfailed&buildid=8873