[onactivate-script-error.https.html]
  [activate handler dispatches an event that throws an error]
    expected: FAIL

  [activate handler throws an error and prevents default]
    expected: FAIL

  [activate handler throws an error, error handler does not cancel]
    expected: FAIL

  [activate handler throws an error]
    expected: FAIL

  [activate handler throws an error that is cancelled]
    expected: FAIL