layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x584
      RenderText {#text} at (0,0) size 461x18
        text run at (0,0) width 280: "This test runs many scrollbar selector tests. "
        text run at (279,0) width 182: "It passes if it does not crash."
      RenderText {#text} at (0,0) size 0x0