Apply following diff to one of project.libraries tests and it starts to fail. It should not.

diff -r f7984afa3ada 
project.libraries/test/unit/src/org/netbeans/modules/project/libraries/LibrariesStorageDeadlock166109Test.java
--- a/project.libraries/test/unit/src/org/netbeans/modules/project/libraries/LibrariesStorageDeadlock166109Test.java    
Thu May 28 17:34:43 2009 +0200
+++ b/project.libraries/test/unit/src/org/netbeans/modules/project/libraries/LibrariesStorageDeadlock166109Test.java    
Thu May 28 17:36:53 2009 +0200
@@ -94,7 +94,7 @@
         // thus can yield wrong results. To workaround that (and simulate the
         // deadlock) here is direct call to reset the cache.
         // Ideally it shall not be necessary for arr1 to have length 1
-        LibraryManagerTest.resetCache();
+//        LibraryManagerTest.resetCache();
         Library[] arr1 = LibraryManager.getDefault().getLibraries();
         assertEquals("One", 1, arr1.length);
     }