layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x50
  RenderBlock {test} at (0,0) size 800x50
    RenderBlock {p} at (0,16) size 800x18 [color=#008000]
      RenderInline {span} at (0,0) size 163x17
        RenderText {#text} at (0,0) size 163x17
          text run at (0,0) width 163: "This line should be green."