**Reported in Launchpad by Laurynas Biveinis last update 28-09-2016 09:22:35

On 5.5 trunk:

main.percona_log_slow_query_plan w4 [ fail ]
Test ended at 2016-08-26 12:57:59

CURRENT_TEST: main.percona_log_slow_query_plan
— /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/release/Host/ubuntu-xenial-64bit/mysql-test/r/percona_log_slow_query_plan.result 2016-08-26 19:41:53.442540777 +0300
+++ /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/release/Host/ubuntu-xenial-64bit/mysql-test/r/percona_log_slow_query_plan.reject 2016-08-26 19:57:58.925381443 +0300
@@ -17,7 +17,7 @@
2 5
[log_stop.inc] percona_slow_query_log.query_plan_0
[log_grep.inc] file: percona_slow_query_log.query_plan_0 pattern: ^# Filesort: No Filesort_on_disk: No Merge_passes: 0$
-[log_grep.inc] lines: 2
+[log_grep.inc] lines: 0
EXPLAIN SELECT * FROM t1 ORDER BY b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using filesort

mysqltest: Result content mismatch