layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x18
  RenderBlock {test} at (0,0) size 800x18
    RenderBlock {address} at (0,0) size 800x18 [bgcolor=#00FF00]
      RenderText {#text} at (0,0) size 349x17
        text run at (0,0) width 349: "This address element should have a green background."