kill.t: Mark final test as TODO
kill.t: Mark final test as TODO

There's an order of operations issue in kill.t (RT #126425), so
we need to mark this test as "do later" until it's been addressed.

b2gills/roast,bitrauser/roast,dankogai/roast,zostay/roast,skids/roast,cygx/roast,perl6/roast,skids/roast,b2gills/roast,cygx/roast,zostay/roast,skids/roast,b2gills/roast,dankogai/roast,cygx/roast,bitrauser/roast,zostay/roast,dogbert17/roast,dogbert17/roast,dankogai/roast