layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {svg} at (0,0) size 800x600 [color=#008000]
    RenderInline {rect} at (0,0) size 0x0
    RenderText {#text} at (0,0) size 164x19
      text run at (0,0) width 164: "This line should be green."
