From 4b5490f0affc163bc6ab08d1c0a28f3c7244878a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joan=20Vallv=C3=A9=20Navarro?= <jvallve@iri.upc.edu>
Date: Thu, 19 Dec 2019 11:28:30 +0100
Subject: [PATCH] debugging

---
 test/gtest_factor_gnss_single_diff_2D.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/gtest_factor_gnss_single_diff_2D.cpp b/test/gtest_factor_gnss_single_diff_2D.cpp
index 39447d8e6..57dc12daf 100644
--- a/test/gtest_factor_gnss_single_diff_2D.cpp
+++ b/test/gtest_factor_gnss_single_diff_2D.cpp
@@ -122,6 +122,7 @@ class FactorGnssSingleDiff2DTest : public testing::Test
 TEST_F(FactorGnssSingleDiff2DTest, check_tree)
 {
     ASSERT_TRUE(problem_ptr->check(0));
+    ASSERT_TRUE(prior_frame_ptr != nullptr);
 }
 
 /*
-- 
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