@Test(expected = java.lang.AssertionError.class)
	public void twoSymbolTest()
	{
		final int ROW1 = 1;
		final int COLUMN1 = 1;
		Mark MARK1 = Mark.X;
		ticTacToeBoard_STUDENT.setMark(ROW1, COLUMN1);

		final int ROW2 = 1;
		final int COLUMN2 = 1;
		Mark MARK2 = Mark.O;
		ticTacToeBoard_STUDENT.setMark(ROW2, COLUMN2);

		for (int i = 0; i < TicTacToeBoard.ROW_COUNT; i++)
		{
			for (int j = 0; j < TicTacToeBoard.COLUMN_COUNT; j++)
			{
				if (i == ROW1 && j == COLUMN1)
				{
					assertEquals(MARK1, ticTacToeBoard_STUDENT.getMark(i, j));
				}
				else if (i == ROW2 && j == COLUMN2)
				{
					assertEquals(MARK2, ticTacToeBoard_STUDENT.getMark(i, j));
				}
				else
				{
					assertEquals(null, ticTacToeBoard_STUDENT.getMark(i, j));
				}
			}
		}
		assertEquals(Mark.X, ticTacToeBoard_STUDENT.getTurn());
		assertEquals(false, ticTacToeBoard_STUDENT.isGameOver());
	}