Sporadic test failure: sys_vars.innodb_buffer_pool_load_now_basic

sys_vars.innodb_buffer_pool_load_now_basic 'xtradb' w6 [ fail ]

        Test ended at 2016-03-12 03:03:35

CURRENT_TEST: sys_vars.innodb_buffer_pool_load_now_basic

mysqltest: At line 23: command "file_exists" failed with error: 1  my_errno: 0  errno: 2

The result from queries just before the failure was:

SET @orig = @@global.innodb_buffer_pool_load_now;

SELECT @orig;

@orig

0

SET GLOBAL innodb_buffer_pool_dump_now = ON;