layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x72
  RenderBlock {test} at (0,0) size 800x72
    RenderBlock {address} at (0,0) size 800x16 [bgcolor=#00FF00]
    RenderBlock {div} at (0,0) size 800x20
      RenderText {#text} at (0,0) size 252x19
        text run at (0,0) width 252: "This line should have a green background."
    RenderBlock {p} at (0,36) size 800x20
      RenderText {#text} at (0,0) size 288x19
        text run at (0,0) width 288: "(Note: This test is based on unpublished errata.)"