commit defaaf1571cd13b183e3f505c6a06e8db316e593 Author: Kevin Gibbons Date: Mon Jul 27 15:45:06 2026 -0700 tests for Iterator.prototype.join (#4768) Fixes https://github.com/tc39/test262/issues/4697. Tested against [a polyfill](https://github.com/tc39/proposal-iterator-join/blob/c1498da49d963972b5f6bd286e17f129193485e4/polyfill.js).