diff --git a/test/std/input.output/iostream.format/quoted.manip/quoted_char.fail.cpp b/test/std/input.output/iostream.format/quoted.manip/quoted_char.fail.cpp
index 2f516f8fb..2b4db2ba2 100644
--- a/test/std/input.output/iostream.format/quoted.manip/quoted_char.fail.cpp
+++ b/test/std/input.output/iostream.format/quoted.manip/quoted_char.fail.cpp
@@ -16,7 +16,11 @@
 #include <string>
 #include <cassert>
 
-#if _LIBCPP_STD_VER > 11
+#include "test_macros.h"
+
+//	Test that mismatches between strings and wides streams are diagnosed
+
+#if TEST_STD_VER > 11
 
 void round_trip ( const char *p ) {
     std::wstringstream ss;
diff --git a/test/std/input.output/iostream.format/quoted.manip/quoted_traits.fail.cpp b/test/std/input.output/iostream.format/quoted.manip/quoted_traits.fail.cpp
index bdd362df1..789f92764 100644
--- a/test/std/input.output/iostream.format/quoted.manip/quoted_traits.fail.cpp
+++ b/test/std/input.output/iostream.format/quoted.manip/quoted_traits.fail.cpp
@@ -16,7 +16,11 @@
 #include <string>
 #include <cassert>
 
-#if _LIBCPP_STD_VER > 11
+#include "test_macros.h"
+
+#if TEST_STD_VER > 11
+
+//	Test that mismatches in the traits between the quoted object and the dest string are diagnosed.
 
 template <class charT>
 struct test_traits