This is a testharness.js-based test.
[FAIL] back() event ordering for cross-document traversal
  assert_array_equals: lengths differ, expected array ["onnavigate", "onunload", "readystateinteractive", "domcontentloaded", "readystatecomplete", "onload", "onpageshow"] length 7, got ["onnavigate", "readystateinteractive", "domcontentloaded", "readystatecomplete", "onload", "onpageshow"] length 6
Harness: the test ran to completion.