Bug 1771540 [wpt PR 34240] - Update wpt metadata, a=testonly

wpt-pr: 34240 wpt-type: metadata
2022-06-03 18:35:58 +00:00 · 2022-06-03 18:35:58 +00:00 · 27758d2ebb
--- a/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-read-write.https.tentative.worker.js.ini
+++ b/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-read-write.https.tentative.worker.js.ini
@ -22,3 +22,6 @@

  [Test reading at a negative offset fails.]
    expected: FAIL
+
+  [Test writing at a negative offset fails.]
+    expected: FAIL