@appearhere/bloom/components/Navigation/TabBar/TabBarIconItem.test.js

Appear Here's pattern library and styleguide

import React from 'react';
import { render } from 'react-dom';

import TabBarIconItem from './TabBarIconItem';

jest.mock('../../Icon/Icon');

it('renders without crashing', () => {
  const div = document.createElement('div');
  render(<TabBarIconItem icon="star" />, div);
});