Tests attaching two sessions to one worklet.
Attached to worklet {
    sessionId : <string>
    targetInfo : {
        attached : true
        browserContextId : <string>
        canAccessOpener : false
        parentId : <string>
        targetId : <string>
        title : http://127.0.0.1:8000/inspector-protocol/resources/inspector-protocol-page.html
        type : worklet
        url : http://127.0.0.1:8000/inspector-protocol/resources/inspector-protocol-page.html
    }
    waitingForDebugger : true
}
Attached to worklet once again {
    sessionId : <string>
}