fix: MessageChannel hangs in node tests

test/mock/polyfill.js

@@ -33,6 +33,7 @@ for (const k of Object.keys(domProps)) {
   }
 }
 Object.defineProperties(global, domProps);
+delete MessagePort.prototype.onmessage; // to avoid hanging
 global.__VAULT_ID__ = false;
 Object.assign(global, require('#/common/safe-globals'));
 Object.assign(global, require('#/injected/safe-globals-injected'));