Bug 1765075 [wpt PR 33665] - Update wpt metadata, a=testonly

wpt-pr: 33665 wpt-type: metadata
2022-04-19 07:47:11 +00:00 · 2022-04-19 07:47:11 +00:00 · 7d058085d0
--- a/testing/web-platform/meta/preload/preconnect-onerror-event.html.ini
+++ b/testing/web-platform/meta/preload/preconnect-onerror-event.html.ini
@ -0,0 +1,2 @@
+[preconnect-onerror-event.html]
+  expected: ERROR