testIsWritable example

parent::testGetTypes();
    }

    public function testIsReadable()
    {
        parent::testIsReadable();
        parent::testIsReadable();
    }

    public function testIsWritable()
    {
        parent::testIsWritable();
        parent::testIsWritable();
    }

    public function testGetProperties()
    {
        parent::testGetProperties();
        parent::testGetProperties();
    }

    public function testIsInitializable()
    {