React Native + Jest + Enzyme

import React from 'react';
import 'react-native';
import { shallow } from 'enzyme';
import { shallowToJson } from 'enzyme-to-json';

import LargeButton from '../LargeButton';

jest.mock('Materniteam/src/components/FadeIn.js');

describe('<LargeButton />', () => {
  it('displays a large button', () => {
    const wrapper = shallow(
      <LargeButton>
        Test bouton
      </LargeButton>
    );
    expect(shallowToJson(wrapper)).toMatchSnapshot();
  });
});