This will fail because the order is wrong

|Ordered Query|SELECT n FROM ( SELECT 1 as n from sysibm.sysdummy1 union select 2 as n from sysibm.sysdummy1  union select 3 as n from sysibm.sysdummy1 ) as A |
|n|
|fail[2]|
|fail[1]|
|3|

This will pass because the order is correct

|Ordered Query|SELECT n FROM ( SELECT 1 as n from sysibm.sysdummy1 union select 2 as n from sysibm.sysdummy1  union select 3 as n from sysibm.sysdummy1 ) as A |
|n|
|1|
|2|
|3|
