1 Testing nested priority donation.
2 If the statements printed below are all true, you pass.
3 1. Low thread should have priority 30. Actual priority: 30.
4 2. Low thread should have priority 31. Actual priority: 31.
5 3. Medium thread should have priority 31. Actual priority: 31.
6 4. Medium thread got the lock.
7 5. High thread got the lock.
8 6. High thread finished.
9 7. High thread should have just finished.
10 8. Middle thread finished.
11 9. Medium thread should just have finished.
12 10. Low thread should have priority 29. Actual priority: 29.
13 Nested priority priority donation test finished.