Increase QUnit.config.testTimeout to 30s

The default value of 10s is ocasionally failing when loading resources
via RL.  Increase to 30s as suggested in the qunit documentation.

http://api.qunitjs.com/QUnit.config/#config-testTimeout

Change-Id: I288db068c8dd1041e0a9be959b3b0c6ddcc7606e
Merge "Increase QUnit.config.testTimeout to 30s"