message: fix mac test build
diff: #include "common/common/utility.h"
  #include "server/options_impl.h"
  -#include "server/options_impl_platform_linux.h"
  +#if defined(__linux__)
  +#include "server/options_impl_platform_linux.h"
  +#endif
  #include "test/mocks/api/mocks.h"
  #include "test/test_common/environment.h"
  #include "test/test_common/logging.h"
  