guardian/frontend — pull request #1514 by commuterjoy (2013-09-03 17:36:57+00:00)
Title: Ab test opt-in/out

Allows a user to force themselves in to a test.

![tumblr_mqt1bfmt7c1solc0to1_250](https://f.cloud.github.com/assets/84996/1074644/43647d2c-14bf-11e3-9ac1-fb57f319848d.gif)