Polytesting
From CitconWiki
prerequisites
Familiarity with polymorphism, page object pattern, separation of concerns -- test narrative from code.
concept
Have a set of tests written in cucumber, say
Write a series of shims that allow you to run those tests at different levels -- directly against code; against the raw http served with a lightweight in-process server; against the full-stack application.
qualification
These tests are in addition to your normal unit tests