emberjs/ember.js — pull request #4950 by rjackson (2014-05-28 10:50:07+00:00)
Title: [BUGFIX beta] Prevent error in LOG_RESOLVER during unit testing.

When using `ember-qunit` to unit test a component, an error is thrown since there is no `root` object (i.e. no application is booted).

Thanks to @chancancode for tracking this down.

Fixes #4949.