The author talks about how many other sources of bug there might be outside of your code like integration, assumptions, compilers etc that e2e tests will help catch.
Well at least a large portion of those bugs might be able to be caught by unit tests! No reason to write less of those, having good unit and integration tests still make you more confident about your application. And because they are faster to run the feedback loop when they break is also faster
Well at least a large portion of those bugs might be able to be caught by unit tests! No reason to write less of those, having good unit and integration tests still make you more confident about your application. And because they are faster to run the feedback loop when they break is also faster