main.percona_query_response_time fails

I get the following failure in 5.5.10:

 main.percona_query_response_time [ fail ]
        Test ended at 2011-03-31 19:39:35

CURRENT_TEST: main.percona_query_response_time
--- /Users/kaa/src/percona/5.5/Percona-Server/mysql-test/r/percona_query_response_time.result 2011-03-31 16:17:49.000000000 +0300
+++ /Users/kaa/src/percona/5.5/Percona-Server/mysql-test/r/percona_query_response_time.reject 2011-03-31 18:39:34.000000000 +0300
@@ -132,10 +132,10 @@
 (SELECT COUNT(*) FROM INFORMATION_SCHEMA.QUERY_RESPONSE_TIME) as region_count
 FROM INFORMATION_SCHEMA.QUERY_RESPONSE_TIME as d WHERE d.count > 0;
 count query_count query_total not_zero_region_count region_count
-10 19 15 4 44
-1 19 15 4 44
-5 19 15 4 44
-3 19 15 4 44
+10 19 16 4 44
+1 19 16 4 44
+5 19 16 4 44
+3 19 16 4 44
 SELECT COUNT(*) as region_count FROM INFORMATION_SCHEMA.QUERY_RESPONSE_TIME;
 region_count
 44

mysqltest: Result content mismatch