chromium/third_party/blink/web_tests/platform/mac/external/wpt/html/semantics/forms/input-change-event-properties-expected.txt

This is a testharness.js-based test.
[FAIL] <select> pressing down arrow
  promise_test: Unhandled rejection with value: object "TypeError: Cannot read properties of undefined (reading 'bubbles')"
Harness: the test ran to completion.