Merged in chore/partner-sas-test-setup (pull request #2484)

chore: Test setup in partner-web

* Add playwright

* Add vitest setup


Approved-by: Linus Flood

apps/partner-sas/tests/dummy.spec.ts

@@ -0,0 +1,7 @@
+import { expect, test } from "@playwright/test"
+
+test("has text", async ({ page }) => {
+  await page.goto("/")
+
+  await expect(page.getByText(/hello world/i)).toBeVisible()
+})