borisyankov/DefinitelyTyped — pull request #1315 by vvakame (2013-11-22 03:35:03+00:00)
Title: Add support tsc switching to runner.ts

You can running test on tsc 0.9.5 beta, If you want :)
$ node ./_infrastructure/tests/runner.js --tsc-version 0.9.5-beta

default version is still 0.9.1.1