Add size test for newgen::suchThat
Add size test for newgen::suchThat

unapiedra/rapidfuzz,whoshuu/rapidcheck,tm604/rapidcheck,whoshuu/rapidcheck,emil-e/rapidcheck,emil-e/rapidcheck,tm604/rapidcheck,tm604/rapidcheck,whoshuu/rapidcheck,emil-e/rapidcheck,unapiedra/rapidfuzz,unapiedra/rapidfuzz