innodb.innodb-alter-table-disk-full fails in buildbot on Windows

innodb.innodb-alter-table-disk-full 'innodb_plugin' [ fail ]

        Test ended at 2014-11-22 12:13:47

CURRENT_TEST: innodb.innodb-alter-table-disk-full

mysqltest: At line 30: query 'alter table t1 add testcol int' succeeded - should have failed with errno 1114...

The result from queries just before the failure was:

create table t1(a int not null primary key, b int) engine=innodb;

create procedure innodb_insert_proc (repeat_count int)

begin

declare current_num int;

set current_num = 0;

while current_num < repeat_count do

insert into t1 values(current_num, current_num);

set current_num = current_num + 1;

end while;

end//

commit;

set autocommit=0;

call innodb_insert_proc(10000);

commit;

set autocommit=1;

set DEBUG_DBUG='+d,ib_os_aio_func_io_failure_28';

alter table t1 add testcol int;