chromium/third_party/blink/web_tests/storage/domstorage/sessionstorage/window-open-expected.txt

This is a new window to make sure there is a copy of the previous window's sessionStorage, and that they diverge after a change

Value for FOO is BAR
Logging from second window:
Value for FOO is BAR
Value for FOO after changing my own copy is BAR-NEWWINDOW
Value for FOO in my opening window is BAR