Minimum Viable Unit Test for React Container/Component

container.template.js

import React from 'react';
import { shallow } from 'enzyme';
import ContainerName from '#containers/ContainerName';

describe('<ContainerName />', () => {
  let wrapper;
  beforeEach(() => {
    wrapper = shallow(<ContainerName />);
  });
  afterEach(() => {
    wrapper && wrapper.unmount();
  });
  it('should render <ContainerName />', () => {
    expect(wrapper.exists()).toBe(true);
  });
});