2019-04-29 07:39:50.811 com.apple.WebKit.Networking.Development[59666:547442] DiskCookieStorage changing policy from 2 to 0, cookie file: file:///Users/buildbot/Library/Developer/CoreSimulator/Devices/51180114-83F2-41F8-B051-5D1AD532A4C9/data/Containers/Data/Application/8658719C-2A28-4951-976F-EB3AE52F4CB0/Library/Cookies/Cookies.binarycookies
CONSOLE MESSAGE: Origin http://localhost:8800 is not allowed by Access-Control-Allow-Origin.
CONSOLE MESSAGE: Beacon API cannot load http://127.0.0.1:8800/WebKit/beacon/resources/beacon-preflight.py?allowCors=1&cmd=put&id=c211e0dd-8861-43a9-bbf4-6b453ea65e97. Origin http://localhost:8800 is not allowed by Access-Control-Allow-Origin.
CONSOLE MESSAGE: Origin null is not allowed by Access-Control-Allow-Origin.
CONSOLE MESSAGE: Beacon API cannot load http://localhost:8801/WebKit/beacon/resources/beacon-preflight.py?allowCors=1&redirect_status=307&cmd=put&location=http%3A%2F%2Flocalhost%3A8801%2FWebKit%2Fbeacon%2Fresources%2Fbeacon-preflight.py%3FallowCors%3D1&id=c7e04f82-4b48-4329-94ca-17ac47ddfdec&count=1. Origin null is not allowed by Access-Control-Allow-Origin.
