new SimpleFileVisitor<Path>() {
            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
                throws IOException {
              Files.deleteIfExists(file);
              return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc)
                throws IOException {

            Pac pac = pacData.getPac();
            PacLogonInfo li = pac.getLogonInfo();
            Assert.assertEquals("test1", li.getUserName());
        } finally {
            Files.deleteIfExists(p);
            Files.deleteIfExists(krbConfig);
        }
    }