Test failure on galera.query_cache

galera.query_cache 'xtradb'              w1 [ fail ]

        Test ended at 2018-04-07 13:43:12

CURRENT_TEST: galera.query_cache

--- /usr/share/mysql/mysql-test/suite/galera/r/query_cache.result	2018-04-07 12:59:53.000000000 -0400

+++ /dev/shm/var/1/log/query_cache.reject	2018-04-07 13:43:11.566830604 -0400

@@ -1535,7 +1535,7 @@

 Qcache_queries_in_cache	0

 show status like "Qcache_inserts";

 Variable_name	Value

-Qcache_inserts	46

+Qcache_inserts	45

 show status like "Qcache_hits";

 Variable_name	Value

 Qcache_hits	12

@@ -1548,7 +1548,7 @@

 Qcache_queries_in_cache	1

 show status like "Qcache_inserts";

 Variable_name	Value

-Qcache_inserts	47

+Qcache_inserts	46

 show status like "Qcache_hits";

 Variable_name	Value

 Qcache_hits	13

mysqltest: Result content mismatch