Fix warnings in NativeClientTests and hide warnings in VsCppUnitTest (changeset 1410899)

src/Compilers/Core/NativeClientTests/native_client_tests.cpp

 // Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
+
+// Disable warning about static explicit specialization until bug 1118730 is fixed
+#pragma warning( push )
+#pragma warning( disable: 4499 )
 #include "CppUnitTest.h"
+#pragma warning (pop)
+
 #include "pipe_extensions.h"
 #include <memory>
 #include <sstream>
@@ -12,20 +18,20 @@ namespace Microsoft
         namespace CppUnitTestFramework 
         {
             template<>
-            static wstring ToString<RequestLanguage>(const RequestLanguage& lang)
+            wstring ToString<RequestLanguage>(const RequestLanguage& lang)
             {
                 return lang == RequestLanguage::CSHARPCOMPILE
                     ? L"CSHARPCOMPILE" : L"VBCOMPILE";
             }
 
             template<>
-            static wstring ToString <vector<Request::Argument>>(const vector<Request::Argument>& vec)
+            wstring ToString <vector<Request::Argument>>(const vector<Request::Argument>& vec)
             {
                 return L"";
             }
 
             template<>
-            static wstring ToString <vector<BYTE>>(const vector<BYTE>& vec)
+            wstring ToString <vector<BYTE>>(const vector<BYTE>& vec)
             {
                 return L"";
             }