Blocked access to external URL http://www1.localhost:8801/stylesheet-same-origin.css
Blocked access to external URL http://www1.localhost:8801/stylesheet-same-origin.css

FAIL Origin-clean check in cross-origin CSSOM Stylesheets assert_throws: Cross origin stylesheet.cssRules should throw SecurityError. function "function () {
                    crossorigin.cssRules;
                }" threw object "TypeError: null is not an object (evaluating 'crossorigin.cssRules')" that is not a DOMException SecurityError: property "code" is equal to undefined, expected 18
PASS Origin-clean check in same-origin CSSOM Stylesheets 
FAIL Origin-clean check in data:css CSSOM Stylesheets null is not an object (evaluating 'sheet.cssRules.length')