sort a non-deterministic test result

Author: vuvova

mysql-test/suite/innodb_fts/t/fulltext_misc.test

@@ -182,6 +182,7 @@ SELECT * FROM t1 UNION SELECT * FROM t1
   ORDER BY MATCH(a) AGAINST ('+abc' IN BOOLEAN MODE);
 
 --echo # Should not crash
+--sorted_result
 SELECT * FROM t1 UNION SELECT * FROM t1
   ORDER BY MATCH(a) AGAINST ('+abc' IN BOOLEAN MODE);