test: End to end integrated test for call widget

playwright/global.d.ts

@@ -0,0 +1,16 @@
+/*
+Copyright 2025 New Vector Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
+import type * as Matrix from "matrix-js-sdk/src";
+
+declare global {
+  interface Window {
+    mxMatrixClientPeg: {
+      get(): Matrix.MatrixClient;
+    };
+  }
+}