test 87: table with role="grid" with a child tr with role="row" and tabindex="0" with two child td elements with role="gridcell" and text contents, set focus on the row by tabbing to the row containing Item 1 and Item 2, then press the Down arrow keyc to change selection

test 87: table with role="grid" with a child tr with role="row" and tabindex="0" with two child td elements with role="gridcell" and text contents, set focus on the row by tabbing to the row containing Item 1 and Item 2, then press the Down arrow key to change selection to the next row.

column1	column2
Item 1	Item 2
Item 3	Item 4