More "is element of" tests, first union tests.
More "is element of" tests, first union tests.

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