Tests Target.attachToTarget can attach to service worker later on
Registering service worker for scope1
{
    attached : false
    browserContextId : <string>
    canAccessOpener : false
    targetId : <string>
    title : Service Worker http://127.0.0.1:8000/inspector-protocol/target/resources/mint-service-worker.pl?scope1
    type : service_worker
    url : http://127.0.0.1:8000/inspector-protocol/target/resources/mint-service-worker.pl?scope1
}
{
    sessionId : <string>
    targetInfo : {
        attached : true
        browserContextId : <string>
        canAccessOpener : false
        targetId : <string>
        title : Service Worker http://127.0.0.1:8000/inspector-protocol/target/resources/mint-service-worker.pl?scope1
        type : service_worker
        url : http://127.0.0.1:8000/inspector-protocol/target/resources/mint-service-worker.pl?scope1
    }
    waitingForDebugger : false
}
{
    method : Inspector.workerScriptLoaded
    params : {
    }
    sessionId : <string>
}