layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x68
  RenderBlock {test} at (0,0) size 800x68
    RenderBlock {address} at (0,0) size 800x16 [bgcolor=#00FF00]
    RenderBlock {div} at (0,0) size 800x18
      RenderText {#text} at (0,0) size 268x18
        text run at (0,0) width 268: "This line should have a green background."
    RenderBlock {p} at (0,34) size 800x18
      RenderText {#text} at (0,0) size 300x18
        text run at (0,0) width 300: "(Note: This test is based on unpublished errata.)"