This is a testharness.js-based test.
FAIL  scheduler: event listener defined by script in a document in history assert_array_equals: lengths differ, expected array ["inline script #1", "IFRAME script", "end script #1", "event: foo", "inline script #2"] length 5, got ["inline script #1", "IFRAME script", "end script #1", "event: foo", "event: foo", "inline script #2"] length 6
Harness: the test ran to completion.