addressing comments

tests/byte_tests.cpp

@@ -17,19 +17,20 @@
 #ifdef _MSC_VER
 // blanket turn off warnings from CppCoreCheck from catch
 // so people aren't annoyed by them when running the tool.
-#pragma warning(disable : 26440 26426) // from catch
-#endif
+#pragma warning(disable : 26440 26426)
+#endif // _MSC_VER
 
 #if __clang__ || __GNUC__
 //disable warnings from gtest
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wundef"
-#endif
+#endif // __clang__ || __GNUC__
+
 #if __clang__
 #pragma GCC diagnostic ignored "-Wglobal-constructors"
 #pragma GCC diagnostic ignored "-Wused-but-marked-unused"
 #pragma GCC diagnostic ignored "-Wcovered-switch-default"
-#endif
+#endif // __clang__
 
 #include <gtest/gtest.h>
 
@@ -147,4 +148,4 @@ copy(src_span_static, dst_span_static);
 
 #if __clang__ || __GNUC__
 #pragma GCC diagnostic pop
-#endif
+#endif // __clang__ || __GNUC__