Tests interoperation of Fetch interception with Network instrumentation for CORS preflight requests.
request 1: OPTIONS http://localhost:8000/inspector-protocol/fetch/resources/post-echo.pl networkId: string
request 2: POST http://localhost:8000/inspector-protocol/fetch/resources/post-echo.pl networkId: string
Preflight request network events: [
[0] : Network.requestWillBeSent
[1] : Network.responseReceived
[2] : Network.loadingFinished
]
Actual request network events: [
[0] : Network.requestWillBeSent
[1] : Network.responseReceived
[2] : Network.loadingFinished
]