updated tests

diff --git a/priority-queue-test b/priority-queue-test
index 80049b3..9772b0c 160000 (submodule)
--- a/priority-queue-test
+++ b/priority-queue-test
@@ -1 +1 @@
-Subproject commit 80049b39ba4267edb6a05d666983bb38037ac4ea
+Subproject commit 9772b0c6fc304f800cc987eb904c23611f3966e2