CONSOLE ERROR: line 121: Mixed Content: The page at 'https://web-platform.test:8444/mixed-content/link-css-tag/no-opt-in/same-host-http/top-level/no-redirect/blockable/no-opt-in-blocks.https.html' was loaded over HTTPS, but requested an insecure stylesheet 'http://web-platform.test:8001/mixed-content/generic/expect.py?redirection=no-redirect&action=purge&key=186ca5c4-2601-42a4-a549-cda118aa60f5&path=%2Fmixed-content&content_type=text/css'. This request has been blocked; the content must be served over HTTPS.
