Tests: commit_id, truncate for Windows fix [#307]

mysql-test/suite/versioning/t/commit_id.test

@@ -10,6 +10,7 @@ engine innodb;
 
 insert into t1 values ();
 
+--real_sleep 0.01
 set @ts0= now(6);
 insert into t1 values ();
 select sys_trx_start from t1 where id = last_insert_id() into @tx0;

mysql-test/suite/versioning/t/truncate.test

@@ -18,7 +18,9 @@ drop table t;
 create table t (a int) with system versioning;
 insert into t values (1), (2);
 update t set a=11 where a=1;
+--real_sleep 0.01
 set @ts1=now(6);
+--real_sleep 0.01
 update t set a=22 where a=2;
 select * from t for system_time all;
 truncate t to system_time timestamp @ts1;