Single Line Cells Repeating Thead Tfoot With Caption Expected

crbug.com/656232: Rows and headers should repeat correctly in the presence of a top caption.

Caption| Col 1 | Col 2 | | Te | xt | | Ft 1 | Ft 2 | | Col 1 | Col 2 | | Te | xt | | Te | xt | | Ft 1 | Ft 2 | | Col 1 | Col 2 | | Te | xt | | Te | xt | | Ft 1 | Ft 2 |