Migrate update.spec.ts from Cypress to Playwright (#11937)

Signed-off-by: Michael Telatynski <[email protected]>

playwright/e2e/update/update.spec.ts

@@ -0,0 +1,44 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { test, expect } from "../../element-web-test";
+
+test.describe("Update", () => {
+    const NEW_VERSION = "some-new-version";
+
+    test.use({
+        displayName: "Ursa",
+    });
+
+    test.beforeEach(async ({ context }) => {
+        await context.route("/version*", async (route) => {
+            await route.fulfill({
+                body: NEW_VERSION,
+                headers: {
+                    "Content-Type": "test/plain",
+                },
+            });
+        });
+    });
+
+    test("should navigate to ?updated=$VERSION if realises it is immediately out of date on load", async ({
+        page,
+        user,
+    }) => {
+        await expect(page).toHaveURL(/updated=/);
+        expect(new URL(page.url()).searchParams.get("updated")).toEqual(NEW_VERSION);
+    });
+});