feat/e2e-testing (#31)

Reviewed-on: #31
Co-authored-by: Max Richter <max@max-richter.dev>
Co-committed-by: Max Richter <max@max-richter.dev>

packages/ui/src/lib/Details.svelte.ts

@@ -0,0 +1,13 @@
+import { describe, expect, it } from 'vitest';
+import { render } from 'vitest-browser-svelte';
+import { page } from 'vitest/browser';
+import Details from './Details.svelte';
+
+describe('Details', () => {
+  it('should render summary element', async () => {
+    render(Details, { title: 'Click me' });
+
+    const summary = page.getByText('Click me');
+    await expect.element(summary).toBeInTheDocument();
+  });
+});