Translate the last batch of .Set tests to .KeySet tests.
Translate the last batch of .Set tests to .KeySet tests.

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