Let's fix more WPT tests! The number must go up!

PR: https://github.com/LadybirdBrowser/la...
WPT dashboard: https://wpt.fyi/results/?product=lady...
Grafana: https://grafana.app.ladybird.org/publ...
Ladybird: https://ladybird.org/
GitHub: https://github.com/LadybirdBrowser/la...
Discord:   / discord