import { experimental_AstroContainer as AstroContainer } from 'astro/container'; import { expect, test } from 'vitest'; import Navbar from "@components/Navbar.astro" test('Card with slots', async () => { const container = await AstroContainer.create(); const result = await container.renderToString(Navbar, { slots: { default: 'Card content', }, }); // expect(result).toContain('This is a card'); // expect(result).toContain('Card content'); });