emberjs/data — pull request #580 by ppcano (2013-01-04 20:21:44+00:00)
Title: Include test to show error introduced with last embedded changes

Include a test to show the error commented [here](https://github.com/emberjs/data/commit/a72ed1278fb112a9f85c7c6f1ddb9901824e0a6b#L6R1551)