Do it for yourself first. Make a style guide and follow it, and setup an automated formatter that will implement that, and apply it to your own code. Write te

Do it for yourself first. Make a style guide and follow it, and setup an automated formatter that will implement that, and apply it to your own code. Write tests for things that you work on. If it’s valuable, and you are a productive team member, you will eventually be able to convince other to adopt your practices. The best way to convince people to test is to show its valuable by finding/preventing bugs.