This is a testharness.js-based test.
Found 2 FAIL, 0 TIMEOUT, 0 NOTRUN.
[FAIL] PushEvent interface: attribute notification
  assert_true: The prototype object must have a property "notification" expected true got false
[FAIL] PushEvent interface: new PushEvent("type") must inherit property "notification" with the proper type
  assert_inherits: property "notification" not found in prototype chain
Harness: the test ran to completion.