Added more barrier tests.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7475 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/exp-drd/tests/pth_barrier2.vgtest b/exp-drd/tests/pth_barrier2.vgtest
new file mode 100644
index 0000000..db5a576
--- /dev/null
+++ b/exp-drd/tests/pth_barrier2.vgtest
@@ -0,0 +1,3 @@
+prog: pth_barrier
+args: 2 32 1
+stderr_filter: filter_error_summary