Tests that a page with an EventSource that is connected can enter the PageCache.

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


pageshow - not from cache
PASS Received open event
PASS Received message before entering page cache
pagehide - entering cache
pageshow - from cache
PASS Page did enter and was restored from the page cache
PASS Received error event
PASS restoredFromPageCache is true
PASS openEventCount is 1
PASS Received open event
PASS Received message after restoring from page cache
PASS openEventCount is 2
PASS errorEventCount is 1
PASS successfullyParsed is true

TEST COMPLETE