diff --git a/tests/basic_string.cpp b/tests/basic_string.cpp
index 79c0b35..9e0ef3f 100644
--- a/tests/basic_string.cpp
+++ b/tests/basic_string.cpp
@@ -1,6 +1,9 @@
+#define LIBREXY_ENABLE_DEBUG_LEVEL 2
+
 #include "rexy/string.hpp"
 #include "rexy/allocator.hpp"
 #include "rexy/utility.hpp"
+#include "rexy/debug_print.hpp"
 
 #include <cstdlib>
 #include <cstdio>
@@ -356,4 +359,5 @@ int main(){
 	check_string_insert();
 	check_string_erase();
 	check_string_replace();
+	rexy::debug::print_succ("String test success\n");
 }
diff --git a/tests/format.cpp b/tests/format.cpp
index bf18d2d..7271b21 100644
--- a/tests/format.cpp
+++ b/tests/format.cpp
@@ -235,5 +235,6 @@ int main(){
 	do_alt_form();
 	do_zero_pad();
 	do_type_specifiers();
+	rexy::debug::print_succ("Format test success\n");
 }