import React from 'react'; import { render, fireEvent, screen } from '@testing-library/react'; import App from './App'; test('renders Prompt Composer tab', () => { render(); const tab = screen.getByLabelText('prompt-composer-tab'); expect(tab).toBeInTheDocument(); }); test('changes tab when clicked', () => { render(); const tab = screen.getByLabelText('text-prompt-tab'); fireEvent.click(tab); expect(screen.getByLabelText('text-area')).toBeInTheDocument(); });