Test error for running a directory.
Test error for running a directory.

Plus tweak another test to expect the error on STDERR, not STDOUT.

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