ATF step 'Apply Filter to List' can take a long time due to related list result set being generated prior to the from being rendered, for tables that have a large number of relationships.
1. Log into any Orlando instance.
2. Create and save a new ATF test.
3. Add a test set step 'Navigate to Module' and select a 'Users' list module.
4. Add a test step 'List and Related List' > 'Apply Filter to List'.
The page takes a long time to load because of the large number of related lists on sys_user.
This problem is under review and targeted to be fixed in a future release. To receive notifications when more information becomes available, subscribe to this Known Error article by clicking the Subscribe button at the top right of this form.
Because set of related lists are computed both during page render and in an ajax call right after the page loads in Paris and earlier, if steps are created on a table other than sys_user and subsequently changed, the expensive related list computation during page render can be avoided.