add sanity test for the REPL
add sanity test for the REPL

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