Merge matrix-react-sdk into element-web

Merge remote-tracking branch 'repomerge/t3chguy/repomerge' into t3chguy/repo-merge

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

test/unit-tests/TimezoneHandler-test.ts

@@ -0,0 +1,23 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2022 The Matrix.org Foundation C.I.C.
+Copyright 2017 Vector Creations Ltd
+Copyright 2015, 2016 OpenMarket Ltd
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
+Please see LICENSE files in the repository root for full details.
+*/
+
+import * as tzh from "../../src/TimezoneHandler";
+
+describe("TimezoneHandler", () => {
+    it("should support setting a user timezone", async () => {
+        const tz = "Europe/Paris";
+        await tzh.setUserTimezone(tz);
+        expect(tzh.getUserTimezone()).toEqual(tz);
+    });
+    it("Return undefined with an empty TZ", async () => {
+        await tzh.setUserTimezone("");
+        expect(tzh.getUserTimezone()).toEqual(undefined);
+    });
+});