Tests that loadingFinished is correctly reported once when navigation is aborted.
intercepted: http://127.0.0.1:8000/inspector-protocol/resources/basic.html, aborting
{
method : Network.loadingFailed
params : {
canceled : true
errorText : net::ERR_ABORTED
requestId : <string>
timestamp : <number>
type : Document
}
sessionId : <string>
}