1 This test checks that Page Visibility state values are correct when a document has no defaultView.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS subdocument.defaultView == null is true
7 PASS subdocument.visibilityState is "hidden"
8 PASS subdocument.hidden is true
9 PASS successfullyParsed is true