galera.MW-388: Test failure: mysqltest: Result length mismatch

./mtr --suite galera --force --big-test --max-test-fail=0 --parallel=auto

./mtr galera.MW-388 --force --max-test-fail=0 --repeat=3

galera.MW-388 'innodb'                   [ fail ]

@@ -23,7 +23,7 @@

 SET SESSION DEBUG_SYNC = 'wsrep_after_certification SIGNAL wsrep_after_certification_reached WAIT_FOR wsrep_after_certification_continue';

 CALL insert_proc ();;

 connection node_1a;

-SET SESSION DEBUG_SYNC = "now WAIT_FOR wsrep_after_replication_reached";

+SET SESSION DEBUG_SYNC = "now WAIT_FOR wsrep_after_certification_reached";

 SET GLOBAL DEBUG_DBUG = "";

 SET DEBUG_SYNC = "now SIGNAL wsrep_after_replication_continue";

 SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";

@@ -31,7 +31,7 @@

 connection node_1;

 SELECT @errno = 1213;

 @errno = 1213

-1

+0

 SELECT * FROM t1;

 f1	f2

 1	node 2

mysqltest: Result length mismatch