Implement expected failures for CppUnit

[Jan-Marek Glogowski]

Am 07.10.2015 um 16:17 schrieb Jan-Marek Glogowski:
> Hi Markus
> 
> Does this also handle the inverse case, if the CPPUNIT_TEST_FAIL
> actually passes, i.e. throws no exception?

So I tested this myself. Guess I can abandon the patchset.

Jan-Marek