React Native Web starter app Button Component test

Button.test.js

import { Platform } from 'react-native';

it('renders properly - ' + Platform.OS, () => { // <= 'ios' || 'web'
  const mockFunc = jest.fn();
  const tree = renderer.create(
    <Button text={text} onClick={mockFunc} />
  );
  expect(tree.toJSON()).toMatchSnapshot();
});