CONSOLE ERROR: Failed to load http://www1.web-platform.test:8001/cors/resources/cors-makeheader.py?2&origin=none&preflight=200: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://web-platform.test:8001' is therefore not allowed access.
CONSOLE ERROR: Failed to load http://www1.web-platform.test:8001/cors/resources/cors-makeheader.py?5&headers=x-custom&preflight=400: Response for preflight has invalid HTTP status code 400.
CONSOLE ERROR: Failed to load http://www1.web-platform.test:8001/cors/resources/cors-makeheader.py?1&origin=none&code=400: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://web-platform.test:8001' is therefore not allowed access. The response had HTTP status code 400.
