each product does and what kind of code should be in some kind of credit so this is a guideline that is really helpful to a team don't prioritize that line over tests this is easier said than done but what I would suggest is and never communicated to business how much time you need for writing only code when you're writing a code without tests you don't write code you you write you're writing a wake-up call into a by the gracious theme that something is not working product so you are the ones that will be cold when something is not