Chrome 59 has removed support for https://user:password@example.com URLs.
I have a test which was using this feature which has now broken, so I\'m trying to replace
Over in https://bugs.chromium.org/p/chromium/issues/detail?id=435547#c33 you can see a mkwst saying there was a bug regarding basic auth credentials and same origin sites made it into stable.
If you use the "--disable-blink-features=BlockCredentialedSubresources" or go to a Chrome Canary build you may find that the original problem you were seeing is not happening any more...