Added some more comments to tests for part 7
Added some more comments to tests for part 7

beni55/diy-lisp,kvalle/diy-lisp,kvalle/diy-lisp,kvalle/diy-lang,beni55/diy-lisp,rcanepa/diy-lisp,fatso83/diy-lisp,joelchelliah/diy-lisp,codecop/diy-lang,rcanepa/diy-lisp,couchemar/diy-lisp,kvalle/diy-lang,couchemar/diy-lisp,codecop/diy-lang,fatso83/diy-lisp,joelchelliah/diy-lisp