As we remember, test design is used to ensure maximum test coverage with a minimum number of test cases. That is, of course, you can write 1000 test cases and check literally everything you can, but this is an irrational waste of time and resources. In order to write 1000 cases, we will need tens or even hundreds of hours. And before writing them, we still need to come up with 1000 checks. This does not take into account the fact that we will n ...