1 Request a file as the document type with asynchronous XMLHttpRequest in a document context.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
7 PASS req.response is non-null.
10 PASS req.response is non-null.
12 PASS req.status is 200
13 PASS req.response is non-null.
15 PASS successfullyParsed is true