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layer at (0,0) size 800x600
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          text run at (0,0) width 480: "This test case creates a TR element then tries to assign to the cells property"
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        RenderText {#text} at (0,1) size 42x19
          text run at (0,1) width 42: "Crash "
        RenderButton {BUTTON} at (43,2) size 94x20 [bgcolor=#FFFFFF02] [border: (1px solid #4C4C4C)]
          RenderBlock (anonymous) at (12,3) size 70x14
            RenderText {#text} at (0,0) size 70x14
              text run at (0,0) width 70: "TR.cells = null"
        RenderText {#text} at (0,0) size 0x0
