layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x94
  RenderBlock {wml} at (0,0) size 800x94
    RenderBlock {card} at (8,16) size 784x70
      RenderBlock {p} at (0,0) size 784x18
        RenderText {#text} at (0,0) size 285x18
          text run at (0,0) width 285: "This test case is used to test br element in text"
      RenderBlock (anonymous) at (0,34) size 784x36
        RenderText {#text} at (0,0) size 138x18
          text run at (0,0) width 138: "This is a piece of text "
        RenderBR {br} at (138,0) size 0x18
        RenderText {#text} at (0,18) size 105x18
          text run at (0,18) width 105: "with a line break"
