Update activitypub.ts

packages/backend/test/unit/activitypub.ts

@@ -109,6 +109,9 @@ describe('ActivityPub', () => {
 	const meta = metaInitial;
 
 	function updateMeta(newMeta: Partial<MiMeta>): void {
+		for (const key in meta) {
+			delete (meta as any)[key];
+		}
 		Object.assign(meta, newMeta);
 	}