Remove duplicate tests and use throws-like for unique tests
Remove duplicate tests and use throws-like for unique tests

looks like the duplicates resulted from commit a179684d

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