Update include guard compliance comments in test.cpp

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: mbaluda

cpp/common/test/rules/includeguardsnotused/test.cpp

@@ -13,4 +13,4 @@
 
 #include "headers/test7.hpp" //NON_COMPLIANT - missing include guard, not excluded
 
-#include "headers/excluded/test7.hpp" //COMPLIANT - missing include guard, but excluded via deviation
+#include "headers/excluded/test7.hpp" // COMPLIANT - excluded via deviation