CONSOLE WARNING: Mixed Content: The page at 'https://web-platform.test:8444/mixed-content/img-tag/no-opt-in/same-host-http/top-level/swap-scheme-redirect/optionally-blockable/no-opt-in-allows.https.html' was loaded over HTTPS, but requested an insecure image 'http://web-platform.test:8001/mixed-content/generic/expect.py?redirection=swap-scheme-redirect&action=purge&key=1b04f6ec-a05c-4a9d-95c7-eba8cbbbc7c4&path=%2Fmixed-content&content_type=image/png'. This content should also be served over HTTPS.
