Wrap messages implementation in a function.

test/cctest/test-parsing.cc

Index: test/cctest/test-parsing.cc
diff --git a/test/cctest/test-parsing.cc b/test/cctest/test-parsing.cc
index ba842587708dfaaa8053883460b2e2e41f8bdf7f..bd3247e044a738947d859880a7a84ccb708bacbc 100644
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -1356,8 +1356,9 @@ i::Handle<i::String> FormatMessage(i::Vector<unsigned> data) {
   }
 
   i::Handle<i::JSObject> builtins(isolate->js_builtins_object());
-  i::Handle<i::Object> format_fun = i::Object::GetProperty(
-      isolate, builtins, "FormatMessage").ToHandleChecked();
+  i::Handle<i::Object> format_fun =
+      i::Object::GetProperty(isolate, builtins, "$formatMessage")
+          .ToHandleChecked();
   i::Handle<i::Object> arg_handles[] = { format, args_array };
   i::Handle<i::Object> result = i::Execution::Call(
       isolate, format_fun, builtins, 2, arg_handles).ToHandleChecked();