Add include for 'test_macros.h' to all the tests that were missing them. Thanks to Zoe for the (big, but simple) patch. NFC intended.

llvm-svn: 362252
diff --git a/libcxx/test/std/utilities/function.objects/arithmetic.operations/transparent.pass.cpp b/libcxx/test/std/utilities/function.objects/arithmetic.operations/transparent.pass.cpp
index 154a0f8..ec5dd27 100644
--- a/libcxx/test/std/utilities/function.objects/arithmetic.operations/transparent.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/arithmetic.operations/transparent.pass.cpp
@@ -10,6 +10,8 @@
 #include <functional>
 #include <string>
 
+#include "test_macros.h"
+
 template <class T>
 struct is_transparent
 {