#213 decrease the i_s_ test race window

mysql-test/suite/tokudb/t/i_s_tokudb_lock_waits_released.test

@@ -29,6 +29,7 @@ send insert into t values (1);
 connection default;
 let $wait_condition= select count(*)=1 from information_schema.processlist where info='insert into t values (1)' and state='update';
 source include/wait_condition.inc;
+real_sleep 1; # delay a little to shorten the update -> write row -> lock wait race
 
 replace_column 1 TRX_ID 2 MYSQL_ID; 
 select * from information_schema.tokudb_locks;
@@ -77,6 +78,7 @@ send replace into t values (1);
 connection default;
 let $wait_condition= select count(*)=1 from information_schema.processlist where info='replace into t values (1)' and state='update';
 source include/wait_condition.inc;
+real_sleep 1; # delay a little to shorten the update -> write row -> lock wait race
 
 replace_column 1 TRX_ID 2 MYSQL_ID; 
 select * from information_schema.tokudb_locks;

mysql-test/suite/tokudb/t/i_s_tokudb_lock_waits_timeout.test

@@ -26,6 +26,8 @@ send insert into t values (1);
 connection default;
 let $wait_condition= select count(*)=1 from information_schema.processlist where info='insert into t values (1)' and state='update';
 source include/wait_condition.inc;
+real_sleep 1; # delay a little to shorten the update -> write row -> lock wait race
+
 replace_column 1 TRX_ID 2 MYSQL_ID; 
 select * from information_schema.tokudb_locks;
 

mysql-test/suite/tokudb/t/i_s_tokudb_locks_released.test

@@ -32,6 +32,8 @@ send insert into t values (1);
 connection default;
 let $wait_condition= select count(*)=1 from information_schema.processlist where info='insert into t values (1)' and state='update';
 source include/wait_condition.inc;
+real_sleep 1; # delay a little to shorten the update -> write row -> lock wait race
+
 replace_column 1 TRX_ID 2 MYSQL_ID;
 eval select * from information_schema.tokudb_locks;