5.5.13 sys_vars.slow_launch_time_func fails with TPS=4

sys_vars.slow_launch_time_func [ fail ]
        Test ended at 2011-05-10 23:56:29

CURRENT_TEST: sys_vars.slow_launch_time_func
--- /root/HEAP/mysql-test/suite/sys_vars/r/slow_launch_time_func.result 2011-05-06 18:25:36.760325000 +0300
+++ /root/HEAP/mysql-test/suite/sys_vars/r/slow_launch_time_func.reject 2011-05-10 22:56:29.197108490 +0300
@@ -6,6 +6,14 @@
 @@GLOBAL.slow_launch_time
 0
 ** Connecting conn1 using username 'root' **
+ERROR: Subtest FN_DYNVARS_124_01 failed
+A new connect should be counted as 'slow_launch_thread' if
+@@GLOBAL.slow_launch_time=0
+SELECT @@GLOBAL.slow_launch_time;
+@@GLOBAL.slow_launch_time
+0
+Number of slow_launch_threads before new connect: 0
+Number of slow_launch_threads after new connect: 0
 ** Switch to connection default and disconnect conn1 **
 '#--------------------FN_DYNVARS_124_02-------------------------#'
 SET @@GLOBAL.slow_launch_time= 1000;

mysqltest: Result content mismatch