def METHOD_NAME(self):
    """add two new symbols to a SymbolSet"""
    symbolset = mapscript.symbolSetObj(SYMBOLSET)
    symbola = mapscript.symbolObj('testa')
    symbolb = mapscript.symbolObj('testb')
    symbolset.appendSymbol(symbola)
    symbolset.appendSymbol(symbolb)
    num = symbolset.numsymbols
    assert num == 6, num
    names = [None, 'circle', 'xmarks-png', 'home-png', 'testa', 'testb']
    for i in range(symbolset.numsymbols):
        symbol = symbolset.getSymbol(i)
        assert symbol.name == names[i], symbol.name