Disable MSVC's "decorated name length exceeded, name was truncated" warning in unit tests.

test/main.h

diff --git a/test/main.h b/test/main.h
index c66c2b6..bda6d38 100644
--- a/test/main.h
+++ b/test/main.h
@@ -736,3 +736,8 @@
   // remark #1572: floating-point equality and inequality comparisons are unreliable
   #pragma warning disable 279 383 1418 1572
 #endif
+
+#ifdef _MSC_VER
+  // 4503 - decorated name length exceeded, name was truncated
+  #pragma warning( disable : 4503)
+#endif