[idlharness.window.html]
  [Gamepad interface: attribute vibrationActuator]
    expected: FAIL

  [GamepadHapticActuator interface: attribute effects]
    expected: FAIL

  [GamepadHapticActuator interface: operation playEffect(GamepadHapticEffectType, optional GamepadEffectParameters)]
    expected: FAIL

  [GamepadHapticActuator interface: operation reset()]
    expected: FAIL

  [GamepadEvent interface object length]
    expected: FAIL