Consider own broadcasts from other device as a playback (#9821)

test/voice-broadcast/utils/test-utils.ts

@@ -14,6 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+import { Optional } from "matrix-events-sdk";
 import { EventType, MatrixEvent, MsgType, RelationType } from "matrix-js-sdk/src/matrix";
 
 import {
@@ -24,10 +25,10 @@ import {
 import { mkEvent } from "../../test-utils";
 
 export const mkVoiceBroadcastInfoStateEvent = (
-    roomId: string,
-    state: VoiceBroadcastInfoState,
-    senderId: string,
-    senderDeviceId: string,
+    roomId: Optional<string>,
+    state: Optional<VoiceBroadcastInfoState>,
+    senderId: Optional<string>,
+    senderDeviceId: Optional<string>,
     startedInfoEvent?: MatrixEvent,
 ): MatrixEvent => {
     const relationContent = {};
@@ -41,9 +42,12 @@ export const mkVoiceBroadcastInfoStateEvent = (
 
     return mkEvent({
         event: true,
+        // @ts-ignore allow everything here for edge test cases
         room: roomId,
+        // @ts-ignore allow everything here for edge test cases
         user: senderId,
         type: VoiceBroadcastInfoEventType,
+        // @ts-ignore allow everything here for edge test cases
         skey: senderId,
         content: {
             state,