Added nptl tests.
diff --git a/runtest/stress.part2 b/runtest/stress.part2
index 857783f..8e7491b 100644
--- a/runtest/stress.part2
+++ b/runtest/stress.part2
@@ -50,3 +50,4 @@
 sem01 sem01
 sem02 sem02
 
+nptl01 nptl01