Change test to test opposite behaviour
Change test to test opposite behaviour

The test was added earlier today and isn't part of 6.c language.
Test per: https://irclog.perlgeek.de/perl6-dev/2017-05-20#i_14611927

dogbert17/roast,perl6/roast,bitrauser/roast,dogbert17/roast,bitrauser/roast