This tests that XMLHttpRequest properly handles mixed case MIME strings.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS xhr.responseXML is non-null.
PASS successfullyParsed is true
TEST COMPLETE
This tests that XMLHttpRequest properly handles mixed case MIME strings.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS xhr.responseXML is non-null.
PASS successfullyParsed is true
TEST COMPLETE