diff --git a/tests/unittest-cpp b/tests/unittest-cpp
index 6d3cc12..dc6b908 160000
--- a/tests/unittest-cpp
+++ b/tests/unittest-cpp
@@ -1 +1 @@
-Subproject commit 6d3cc12eab7e4e18c2058acccd467acea4bcd79b
+Subproject commit dc6b90838014ab985bf3cd74ac17ad9d00e1fbcb