<!DOCTYPE html> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script> 'use strict'; promise_test(() => { return navigator.keyboard.lock(["KeyA", "KeyB"]) .then(() => { return navigator.keyboard.lock(["KeyC", "KeyD"]); }); }, '[Keyboard Lock] keyboard.lock called twice sequentially'); </script>