Add a test case for unknown named parameter in assuming.
Add a test case for unknown named parameter in assuming.

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