tokudb_bugs.db938 fails due to connection logging (also affects buildbot)

tokudb_bugs.db938                        [ fail ]

        Test ended at 2016-07-04 02:04:29

CURRENT_TEST: tokudb_bugs.db938

--- /data/bld/10.2/mysql-test/plugin/tokudb/tokudb_bugs/r/db938.result	2016-07-02 01:57:05.000000000 +0300

+++ /data/bld/10.2/mysql-test/plugin/tokudb/tokudb_bugs/r/db938.reject	2016-07-04 02:04:29.671965111 +0300

@@ -19,10 +19,15 @@

 select database_name, table_name, job_type, job_params, scheduler from information_schema.tokudb_background_job_status;

 database_name	table_name	job_type	job_params	scheduler

 test	t1	TOKUDB_ANALYZE_MODE_STANDARD	TOKUDB_ANALYZE_DELETE_FRACTION=1.000000; TOKUDB_ANALYZE_TIME=0; TOKUDB_ANALYZE_THROTTLE=0;	AUTO

+connect conn1, localhost, root;

 set DEBUG_SYNC = 'tokudb_after_truncate_all_dictionarys SIGNAL closed WAIT_FOR done';

 TRUNCATE TABLE t1;

+connection default;

 set global tokudb_debug_pause_background_job_manager = FALSE;

 set DEBUG_SYNC = 'now SIGNAL done';

+connection conn1;

+connection default;

+disconnect conn1;

 drop table t1;

 set session tokudb_auto_analyze = @orig_auto_analyze;

 set session tokudb_analyze_in_background = @orig_in_background;

mysqltest: Result length mismatch