fixed spelling mistake

source/test.hpp

@@ -25,7 +25,7 @@ void print_leader(const bool passed, const int n) {
 	if (passed) {
 		printf("\033[32;1mSuccess\033[0m.  %02d\033[1m - \033[0m", n);
 	} else {
-		printf("\033[31;1mFailiour\033[0m. %02d\033[1m - \033[0m", n);
+		printf("\033[31;1mFailure\033[0m. %02d\033[1m - \033[0m", n);
 	}
 }