CONSOLE ERROR: line 130: Mixed Content: The page at 'https://web-platform.test:8444/mixed-content/object-tag/http-csp/same-host-http/top-level/keep-scheme-redirect/blockable/opt-in-blocks.https.html' was loaded over HTTPS, but requested an insecure plugin resource 'http://web-platform.test:8001/mixed-content/generic/expect.py?redirection=keep-scheme-redirect&action=purge&key=b6d7fa2c-f65d-4eb8-9019-92ca46226284&path=%2Fmixed-content&content_type=text/html'. This request has been blocked; the content must be served over HTTPS.
