This is a testharness.js-based test.
[FAIL] .collapsed 2
assert_equals: \n<item data-offset-y="68" class="collapsed"></item>\noffsetTop expected 68 but got 93
[FAIL] .collapsed 3
assert_equals: \n<item data-offset-y="68" class="collapsed"></item>\noffsetTop expected 68 but got 368
Harness: the test ran to completion.