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layer at (0,0) size 800x86
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        RenderListMarker at (-17,0) size 7x18: bullet
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          text run at (0,0) width 431: "This list item should have a green background. because its ID is \"t1\""
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        RenderListMarker at (-17,0) size 7x18: bullet
        RenderText {#text} at (0,0) size 431x18
          text run at (0,0) width 431: "This list item should have a green background. because its ID is \"t2\""
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          RenderText {#text} at (0,0) size 590x18
            text run at (0,0) width 590: "This list item should have a green background. because the inner SPAN does not match \"#t4\""