chromium/third_party/blink/web_tests/fast/forms/state-restore-hidden-expected.txt

webkit.org/b/77391 - Hidden form elements do not save their state prior to form submission; crbug.com/651822 - Stop to save state for hidden type.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".

PASS document.f.hidden.value is "before"
PASS successfullyParsed is true

TEST COMPLETE