layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (0,0) size 400x400
  LayoutSVGRoot {svg} at (0,0) size 400x400
    LayoutSVGForeignObject {foreignObject} at (0,0) size 400x400
      LayoutBlockFlow {p} at (0,0) size 400x20
        LayoutText {#text} at (0,0) size 37x19
          text run at (0,0) width 37: "PASS"