Tests frame lifetime events.
Creating iframe "blank.html"
{
    method : Page.frameAttached
    params : <object>
    sessionId : <string>
}
{
    method : Page.frameStartedLoading
    params : {
        frameId : <string>
    }
    sessionId : <string>
}
RequestWillBeSent .../inspector-protocol/resources/blank.html
{
    method : Page.frameNavigated
    params : <object>
    sessionId : <string>
}
{
    method : Page.frameStoppedLoading
    params : {
        frameId : <string>
    }
    sessionId : <string>
}
Navigating iframe to "about:blank"
{
    method : Page.frameStartedLoading
    params : {
        frameId : <string>
    }
    sessionId : <string>
}
{
    method : Page.frameNavigated
    params : <object>
    sessionId : <string>
}
Removing iframe
{
    method : Page.frameDetached
    params : {
        frameId : <string>
        reason : remove
    }
    sessionId : <string>
}