resetForTest static method
Resets singleton state for widget tests. Call from addTearDown.
Implementation
@visibleForTesting
static void resetForTest() {
instance._notifyPointerScheduled = false;
instance._ringsAllowed = false;
// Re-bind key handler in case the test binding cleared handlers.
HardwareKeyboard.instance.removeHandler(instance._handleKeyEvent);
HardwareKeyboard.instance.addHandler(instance._handleKeyEvent);
instance.notifyListeners();
}