1 This tests the NonDocumentTypeChildNode interface previousElementSibling property on a Text node.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS a.previousElementSibling is null
7 PASS a.previousElementSibling is b
8 PASS a.previousElementSibling is b
9 PASS successfullyParsed is true