Both for writing and managing test cases, it's crucial to create maintainable test code. Over time the number of test cases will increase. In order to stay productive during development, some time and effort needs to be spent on the test code quality.

For production code, every engineer agrees that code quality is an important requirement. Since tests are not part of the application that is running in production they are often treated differently. Experience shows that developers rarely invest time and effort in test code quality. However, the quality of test cases has a huge impact on the developer's productivity.

There are some signs that indicate poorly written tests.