add simple login test

src/Umbraco.Web.UI.Client/e2e/login.spec.ts

@@ -0,0 +1,19 @@
+import { expect, test } from '@playwright/test';
+
+import config from '../playwright.config';
+
+test('login', async ({ page }) => {
+	// Go to /login
+	await page.goto('/login');
+
+	// Fill input[name="email"]
+	await page.locator('input[name="email"]').fill('test@umbraco.com');
+
+	// Fill input[name="password"]
+	await page.locator('input[name="password"]').fill('test123456');
+
+	// Click [aria-label="Login"]
+	await page.locator('[aria-label="Login"]').click();
+
+	await expect(page).toHaveURL(`${config.use?.baseURL}/section/content/dashboard/welcome`);
+});