Here's a link to try : https://treeherder.mozilla.org/#/jobs?repo=try&revision=d5aa9f80a883&filter-resultStatus=testfailed&filter-resultStatus=busted&filter-resultStatus=exception&filter-classifiedState=unclassified 14:52:59 INFO - 3579 INFO TEST-START | toolkit/content/tests/chrome/test_largemenu.xul 14:53:00 INFO - TEST-INFO | started process screentopng 14:53:00 INFO - Xlib: extension "RANDR" missing on display ":0". 14:53:02 INFO - TEST-INFO | screentopng: exit 0 14:53:02 INFO - 3580 INFO must wait for load 14:53:02 INFO - 3581 INFO must wait for focus 14:53:02 INFO - 3582 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | open normal top 14:53:02 INFO - 3583 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | open normal bottom 14:53:02 INFO - 3584 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | open normal overflow 14:53:02 INFO - 3585 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | menu scroll position 14:53:02 INFO - 3586 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | open when bottom would overlap top 14:53:02 INFO - 3587 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | open when bottom would overlap bottom 14:53:02 INFO - 3588 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | open when bottom would overlap overflow 14:53:02 INFO - 3589 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | menu scroll position 14:53:02 INFO - 3590 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | open with scrolling top 14:53:02 INFO - 3591 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | open with scrolling bottom 14:53:02 INFO - 3592 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | open with scrolling overflow 14:53:02 INFO - 3593 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | menu scroll position 14:53:02 INFO - 3594 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | menu scroll position 14:53:02 INFO - 3595 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | open small again top 14:53:02 INFO - 3596 INFO TEST-PASS | toolkit/content/tests/chrome/test_largemenu.xul | open small again bottom 14:53:02 INFO - 3597 INFO TEST-UNEXPECTED-FAIL | toolkit/content/tests/chrome/test_largemenu.xul | open small again overflow

This has been disabled on linux x32 ; https://dxr.mozilla.org/mozilla-central/source/toolkit/content/tests/chrome/chrome.ini#109 This can be tested on try server and re-enabled, once fixed.