@appearhere/bloom/components/Dropdown/Dropdown.test.js

Appear Here's pattern library and styleguide

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

import Dropdown from './Dropdown';

const TestComponent = () => <button />;

it('renders without crashing', () => {
  const div = document.createElement('div');
  render(
    <Dropdown
      target={<TestComponent />}
    >
      <TestComponent />
    </Dropdown>,
    div
  );
});