text: import React from 'react';
  import { render } from '@testing-library/react';
  import { axe } from 'jest-axe';
  
  import UIShell from './UIShell';
  
  test('accessibility of UIShell', async () => {
    const { container } = render(<UIShell />);
    const results = await axe(container);
  
    expect(results).toHaveNoViolations();
  });
  