Tests DOMSnapshot.getSnapshot reports offset, scroll, and client rects of each node.
{
    documents : [
        [0] : {
            baseURL : 0
            contentHeight : 600
            contentLanguage : -1
            contentWidth : 800
            documentURL : 0
            encodingName : 1
            frameId : 2
            layout : {
                bounds : [
                    [0] : [
                        [0] : 0
                        [1] : 0
                        [2] : 800
                        [3] : 600
                    ]
                    [1] : [
                        [0] : 0
                        [1] : 0
                        [2] : 800
                        [3] : 0
                    ]
                    [2] : [
                        [0] : 0
                        [1] : 0
                        [2] : 800
                        [3] : 0
                    ]
                    [3] : [
                        [0] : 100
                        [1] : 100
                        [2] : 100
                        [3] : 100
                    ]
                    [4] : [
                        [0] : 100
                        [1] : 100
                        [2] : 96
                        [3] : 16
                    ]
                ]
                clientRects : [
                    [0] : [
                    ]
                    [1] : [
                        [0] : 0
                        [1] : 0
                        [2] : 800
                        [3] : 600
                    ]
                    [2] : [
                        [0] : 0
                        [1] : 0
                        [2] : 800
                        [3] : 0
                    ]
                    [3] : [
                        [0] : 0
                        [1] : 0
                        [2] : 100
                        [3] : 100
                    ]
                    [4] : [
                    ]
                ]
                nodeIndex : <object>
                offsetRects : [
                    [0] : [
                    ]
                    [1] : [
                        [0] : 0
                        [1] : 0
                        [2] : 800
                        [3] : 0
                    ]
                    [2] : [
                        [0] : 0
                        [1] : 0
                        [2] : 800
                        [3] : 0
                    ]
                    [3] : [
                        [0] : 100
                        [1] : 100
                        [2] : 100
                        [3] : 100
                    ]
                    [4] : [
                    ]
                ]
                scrollRects : [
                    [0] : [
                    ]
                    [1] : [
                        [0] : 0
                        [1] : 0
                        [2] : 800
                        [3] : 600
                    ]
                    [2] : [
                        [0] : 0
                        [1] : 0
                        [2] : 800
                        [3] : 0
                    ]
                    [3] : [
                        [0] : 0
                        [1] : 0
                        [2] : 100
                        [3] : 100
                    ]
                    [4] : [
                    ]
                ]
                stackingContexts : <object>
                styles : <object>
                text : <object>
            }
            nodes : <object>
            publicId : -1
            scrollOffsetX : 0
            scrollOffsetY : 0
            systemId : -1
            textBoxes : <object>
            title : -1
        }
    ]
    strings : <object>
}