disable 2 tests


git-svn-id: https://ilk.uvt.nl/svn/sources/ucto/trunk@17836 12f355fe-0486-481a-ad91-c297ab22b4e3
disable this one too


git-svn-id: https://ilk.uvt.nl/svn/sources/ucto/trunk@17837 12f355fe-0486-481a-ad91-c297ab22b4e3