frontend/src/components/App.test.tsx

import React from 'react';
import { render, screen } from '@testing-library/react';
import TranslationDashboard from '../App';

test('renders evaluation results heading', () => {
  render(<TranslationDashboard />);
  const headingElement = screen.getByText(/evaluation results/i);
  expect(headingElement).toBeInTheDocument();
});