message: Checked for the mocked LeftBar
diff: @@ -81,7 +81,7 @@ jest.mock('navigation-react-native', () => {
  const NavigationBar = ({ hidden, navigationImage, title, onNavigationPress, children, ...props }) => {
  if (hidden) return null;
  - const Left = React.Children.toArray(children).find(({type}) => type === NavigationReactNative.LeftBar);
  + const Left = React.Children.toArray(children).find(({type}) => type === LeftBar);
  return (
  <ReactNative.View accessibilityRole="toolbar" {...props}>
  {!!navigationImage && (
  