also use attribute unused for clang
also use attribute unused for clang

offa/cpputest,basvodde/cpputest,offa/cpputest,basvodde/cpputest,cpputest/cpputest,offa/cpputest,basvodde/cpputest,offa/cpputest,cpputest/cpputest,basvodde/cpputest,cpputest/cpputest,cpputest/cpputest