Tests that ReplaceState should not change document URL if URL argument is null.

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


Push item one
Replace item one with null url
Push item two
Going back to item one
PASS document.location.href is "http://127.0.0.1:8000/one"
Replace item one with empty url
Push item two
Going back to item one
PASS document.location.href is "http://127.0.0.1:8000/"
PASS successfullyParsed is true

TEST COMPLETE