!3 create a user so that subsequent inserts would fail

!|execute procedure|createuser|
|new name|new username|
|arthur dent|adent|

!3 check for any error

!|execute procedure expect exception|createuser|
|new name|new username|
|arthur dent|adent|

!3 check for a specific error code

!|execute procedure expect exception|createuser|1062|
|new name|new username|
|arthur dent|adent|
