Toss some tests relying on out-dated design.
Toss some tests relying on out-dated design.

Str is always NFG now, and we have Uni and Buf for the other levels.
Removing the tests as we have others that cover these issues in line
with current design and more extensively.

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