CONSOLE WARNING: Mixed Content: The page at 'https://web-platform.test:8444/mixed-content/img-tag/no-opt-in/same-host-http/top-level/no-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=no-redirect&action=purge&key=8af1be99-d932-472b-a978-7e1f9e45869b&path=%2Fmixed-content&content_type=image/png'. This content should also be served over HTTPS.
