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Test Info: Warnings

<!DOCTYPE html>
<html class="reftest-wait">
<!--
-->
<head>
<meta charset="utf-8">
<title>Bug 1851829</title>
<script>
async function timeout (cmd) {
const timer = new Promise((resolve, reject) => {
const id = setTimeout(() => {
clearTimeout(id)
reject(new Error('Promise timed out!'))
}, 750)
})
return Promise.race([cmd, timer])
}
window.addEventListener('load', async () => {
// <script>window.close()<\/script>
const tab = window.open('data:text/plain;charset=utf-8;base64,PHNjcmlwdD53aW5kb3cuY2xvc2UoKTwvc2NyaXB0Pg==')
setTimeout(async () => {
try { await timeout(tab.navigator.requestMIDIAccess({})) } catch (e) {}
window.close()
document.documentElement.classList.remove("reftest-wait");
}, 400)
})
</script>
</head>
</html>