1 Tests that popstate events fire when going back, even when there are resource requests pending.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 Starting slow image request
8 Current search: ?newState1
10 Current search: ?newState2
12 PASS event.state is "newState1"
13 PASS successfullyParsed is true