Tests that using location.replace to update the hash of a page preserves it when navigating back to it.

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

PASS currentPageId is 1
PASS currentPageId is 1
PASS testWindow.location.hash is "#foo"
PASS currentPageId is 2
PASS currentPageId is 1
PASS testWindow.location.hash is "#foo"
PASS Complete: navigated through all the states
PASS successfullyParsed is true

TEST COMPLETE