layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x53
  RenderBlock {test} at (0,0) size 800x53
    RenderBlock {p} at (0,16) size 800x21 [bgcolor=#00FF00]
      RenderText {#text} at (0,0) size 345x21
        text run at (0,0) width 345: "This paragraph should have a green background"