@Test
public void testVerticalWinnerReturnsWinnerValue() {
int[] cell = {1, 2};
board.setCellValue(cell, 1);
assertEquals(1, GameState.VerticalWinner(board));
}
@Test
public void testVerticalWinnerReturnsZeroForNoWinner() {
assertEquals(0, GameState.VerticalWinner(board));
}