Test cases print stack trace on sigsegv

test/main.cpp

@@ -1,6 +1,8 @@
 #include "google/gtest/gtest.h"
+#include <messmer/cpp-utils/assert/backtrace.h>
 
 int main(int argc, char **argv) {
+  cpputils::showBacktraceOnSigSegv();
   testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }