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Test Info: Warnings

<script id="worker1" type="javascript/worker">
self.onmessage = async function () {
const xhr = new XMLHttpRequest()
self.onerror = () => {
xhr.open("POST", "FOOBAR", false)
xhr.send()
}
self.reportError(undefined)
self.dir = await self.navigator.storage.getDirectory()
}
</script>
<script>
window.addEventListener('load', async () => {
const blob = new Blob([document.querySelector('#worker1').textContent], { type: "text/javascript" })
let worker = new Worker(window.URL.createObjectURL(blob))
worker.postMessage([], [])
setTimeout(() => {window.location.reload(true)})
})
</script>