public void testSetGridLine () {
    
    Board board = new Board();
    int inputCount = 0;
    
    while (inputCount < Board.SIZE - 1) {
      board.setGridLine(DefaultValues.DEFAULTATTEMPTCOMBINATION1, DefaultValues.DEFAULTANSWERCOMBINATION);
      inputCount++;
      assertEquals (true, board.additionalAttemptPossible);
    }
    
    board.setGridLine(DefaultValues.DEFAULTATTEMPTCOMBINATION1, DefaultValues.DEFAULTANSWERCOMBINATION);
    inputCount++;
    assertEquals (false, board.additionalAttemptPossible);
    
  }