Re: [dom-tests] Make all parameters to initEvent() / initCustomEvent() optional excep… (#5043)

These tests are now available on [w3c-test.org](https://w3c-test.org/submissions/5043)

View on GitHub: https://github.com/w3c/web-platform-tests/pull/5043#issuecomment-284473221

Received on Monday, 6 March 2017 17:43:15 UTC