trisquel-icecat/icecat/testing/web-platform/tests/fs/FileSystemObserver-unsupported-global.https.tentative.any.js

// META: global=serviceworker

promise_test(async t => {
  assert_throws_js(ReferenceError, () => new FileSystemObserver(() => {}));
}, 'Creating a FileSystemObserver from an unsupported global fails');