CONSOLE WARNING: Mixed Content: The page at 'https://127.0.0.1:8443/mixed-autoupgrade/optionally/image-upgrade-console-message.https.html' was loaded over HTTPS, but requested an insecure element 'http://web-platform.test:8443/mixed-autoupgrade/resources/pass.png'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
CONSOLE WARNING: Mixed Content: The page at 'https://127.0.0.1:8443/mixed-autoupgrade/optionally/image-upgrade-console-message.https.html' was loaded over HTTPS, but requested an insecure element 'http://web-platform.test:8443/mixed-autoupgrade/resources/pass.png'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html