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