diff --git a/test/gtest_factor_autodiff_trifocal.cpp b/test/gtest_factor_autodiff_trifocal.cpp
index 08c9f1341225da9735a9ad62ce2708684a6a626b..d20f1b1348c6299131e08b5814f34c1b6d15e91d 100644
--- a/test/gtest_factor_autodiff_trifocal.cpp
+++ b/test/gtest_factor_autodiff_trifocal.cpp
@@ -32,6 +32,11 @@ class FactorAutodiffTrifocalTest : public testing::Test{
 
         Scalar pixel_noise_std;
 
+        virtual ~FactorAutodiffTrifocalTest()
+        {
+            std::cout << "destructor\n";
+        }
+
         virtual void SetUp() override
         {
             std::string wolf_root = _WOLF_ROOT_DIR;