Regression test for keyboard layout fingerprinting in KeyboardEvent fails
The test in dom/events/test/test_tor_bug15646.html
fails with the following error:
53 INFO TEST-UNEXPECTED-FAIL | dom/events/test/test_tor_bug15646.html | uncaught exception - ReferenceError: spawnTask is not defined at http://mochi.test:8888/tests/dom/events/test/test_tor_bug15646.html:127