main.information_schema_stats fails sporadically in buildbot

CURRENT_TEST: main.information_schema_stats

--- /mnt/buildbot/build/mariadb-10.0.27/mysql-test/r/information_schema_stats.result	2016-07-18 11:08:49.000000000 +0300

+++ /mnt/buildbot/build/mariadb-10.0.27/mysql-test/r/information_schema_stats.reject	2016-07-18 18:46:56.000000000 +0300

@@ -16,8 +16,8 @@

 2

 select * from information_schema.index_statistics where table_schema='test' and table_name='just_a_test';

 TABLE_SCHEMA	TABLE_NAME	INDEX_NAME	ROWS_READ

-test	just_a_test	IND_just_a_test_state	2

 test	just_a_test	IND_just_a_test_first_name_last_name	1

+test	just_a_test	IND_just_a_test_state	2

 select * from information_schema.table_statistics where table_schema='test' and table_name='just_a_test';

 TABLE_SCHEMA	TABLE_NAME	ROWS_READ	ROWS_CHANGED	ROWS_CHANGED_X_INDEXES

 test	just_a_test	18	5	5

@@ -57,8 +57,8 @@

 select * from information_schema.index_statistics where table_schema='test' and table_name='just_a_test';

 TABLE_SCHEMA	TABLE_NAME	INDEX_NAME	ROWS_READ

 test	just_a_test	first_name	1

-test	just_a_test	state	2

 test	just_a_test	PRIMARY	5

+test	just_a_test	state	2

 select * from information_schema.table_statistics where table_schema='test' and table_name='just_a_test';

 TABLE_SCHEMA	TABLE_NAME	ROWS_READ	ROWS_CHANGED	ROWS_CHANGED_X_INDEXES

 test	just_a_test	8	5	15