File Content: PageHeader.test.tsx import { render, screen } from '@testing-library/react'; import React from 'react'; import { NavModelItem } from '@grafana/data'; import { PageHeader } from './PageHeader'; describe('PageHeader', () => { describe('when the nav tree has a node with a title', () => { it('should render the title', async () => { const nav: NavModelItem = { icon: 'folder-open', id: 'node', subTitle: 'node subtitle', url: '', text: 'node', }; render(<PageHeader navItem={nav} />); expect(screen.getByRole('heading', { name: 'node' })).toBeInTheDocument(); }); }); }); Submit