How long should a unit test take?

Related questions

1. What percentage of development is testing?
2. What is the difference between unit testing and integration testing?
3. Which is better xUnit or NUnit?
4. How much what percentage of your time do you spend on unit testing?
5. What is unit test code?
6. What is unit test suite?

Tags

1. #happy
2. #second
3. #minutes
4. #takes
5. #legacy
6. #their
7. #under
8. #suite
9. #others
10. #states
11. #while
12. #effectively
13. #three
14. #seconds
15. #extensive
16. #working
17. #developers
18. #route
19. #michael
20. #radical
21. #feathers