@Test
    public void extraneousParens() {
        String input = "((((x + 2.0))) * (((y + 3.0))))";
        Lexer lexer = new Lexer(input);
        Parser_v3 Parser_v3 = new Parser_v3(lexer);
        Expression exp = Parser_v3.parse();
        
        Token varOne = new Token("x");
        Token num = new Token("2.0");
        Token varTwo = new Token("y");
        Token numTwo = new Token("3.0");
        
        Variable expVarOne = new Variable(varOne);
        Number expNum = new Number(num);
        Variable expVarTwo = new Variable(varTwo);
        Number expNumTwo = new Number(numTwo);
        
        Multiplication expected = new Multiplication(new Addition(expVarOne, expNum), new Addition(expVarTwo, expNumTwo));

        
        assertEquals(exp.toString(), expected.toString());
    }