When auto-testing, Who earns more, a developer or tester?
The average initial salary of a software developer has been significantly more than the initial average salary of a tester in the past and now. We can say that clearly shows that initially, an average developer earns more than an average tester.
Why think who is more profitable? It is important that the project is profitable.
Of course, it will bring benefits in many ways, so it is more and more popular and developed as it is now.