Add simple tests for Supply.stable
Add simple tests for Supply.stable

Unfortunately, some of them fail, so there is more work to be done

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