This is a testharness.js-based test.
PASS XMLHttpRequest: responseXML MIME type tests ('', should  parse)
PASS XMLHttpRequest: responseXML MIME type tests ('text/html', should not parse)
FAIL XMLHttpRequest: responseXML MIME type tests ('bogus', should  parse) Cannot read property 'documentElement' of null
PASS XMLHttpRequest: responseXML MIME type tests ('bogus+xml', should  parse)
PASS XMLHttpRequest: responseXML MIME type tests ('text/plain;+xml', should not parse)
PASS XMLHttpRequest: responseXML MIME type tests ('text/plainxml', should not parse)
PASS XMLHttpRequest: responseXML MIME type tests ('video/x-awesome+xml', should  parse)
PASS XMLHttpRequest: responseXML MIME type tests ('video/x-awesome', should not parse)
PASS XMLHttpRequest: responseXML MIME type tests ('text/xml', should  parse)
FAIL XMLHttpRequest: responseXML MIME type tests ('application', should  parse) Cannot read property 'documentElement' of null
FAIL XMLHttpRequest: responseXML MIME type tests ('text/xsl', should not parse) assert_equals: expected null but got Document node with 1 child
PASS XMLHttpRequest: responseXML MIME type tests ('text/plain', should not parse)
PASS XMLHttpRequest: responseXML MIME type tests ('application/rdf', should not parse)
PASS XMLHttpRequest: responseXML MIME type tests ('application/xhtml+xml', should  parse)
PASS XMLHttpRequest: responseXML MIME type tests ('image/svg+xml', should  parse)
Harness: the test ran to completion.