Migrate complete-security.spec.ts from Cypress to Playwright (#11952)

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

playwright/e2e/crypto/complete-security.spec.ts

@@ -0,0 +1,35 @@
+/*
+Copyright 2023 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";
+import { logIntoElement } from "./utils";
+
+test.describe("Complete security", () => {
+    test.use({
+        displayName: "Jeff",
+    });
+
+    test("should go straight to the welcome screen if we have no signed device", async ({
+        page,
+        homeserver,
+        credentials,
+    }) => {
+        await logIntoElement(page, homeserver, credentials);
+        await expect(page.getByText("Welcome Jeff", { exact: true })).toBeVisible();
+    });
+
+    // see also "Verify device during login with SAS" in `verifiction.spec.ts`.
+});