@Test
    public void testGetCellSymbol() throws IOException {
        System.out.println("getCellSymbol");
        Cell instance = new Cell(0,0);
        
        String expResult = ".";
        String result = instance.getCellSymbol();
        assertEquals(expResult, result);
        
        expResult = "#";
        instance.setRock(true);
        result = instance.getCellSymbol();
        assertEquals(expResult, result);
        instance.setRock(false);
        
        instance.setFood(5);
        expResult = "5";
        result = instance.getCellSymbol();
        assertEquals(expResult, result);
        instance.setFood(0);
        
        AntBrain ab = new AntBrain("cleverbrain1.brain");
        Ant ant = new Ant(ab, true, 0);
        instance.setAnt(ant);
        expResult = "a";
        result = instance.getCellSymbol();
        assertEquals(expResult, result);
        instance.removeAnt();
        
        instance.setAnthill("red");
        expResult = "+";
        result = instance.getCellSymbol();
        assertEquals(expResult, result);
        instance.setAnthill("none");
        
        instance.setAnthill("black");
        expResult = "-";
        result = instance.getCellSymbol();
        assertEquals(expResult, result);
        instance.setAnthill("none");
        
    }