Part 1

1. open the /core/units/helpers/cat_dbitem_export_helper.php file for editing
2. comment out last IF (validation error removal) in the \kCatDBItemExportHelper::setFieldValue method
3. save changes
4. execute tests in the kOptionsFormatterTest test case
5. login to the Admin Console
6. go to the Website & Content → Structure & Data → Products section
7. create a product
8. select that product in the grid
9. use Export menu item under the Tools toolbar button to export at least these product info columns:
   • SKU
   • Status
   • CategoryPath
   • l1_Name
   • ProductId
   • EditorsPick
10. open an exported CSV file for editing
11. change Status column value to any non-existing option (e.g. Non-Existing)
12. go to the Tools → Import Data section
13. import that modified CSV file
14. go to the Website & Content → Structure & Data → Products section
15. confirm that a new product wasn't created as a result of the CSV import
16. go to the Logs & Reports → System Log section
17. confirm, that:
    • there is a record about failed product creation due to the unknown_option validation error
    • it shows the wrong option title (from the CSV file)

Part 2

1. login to the Admin Console
2. go to the Website & Content → Polls section
3. create a poll in Active status
4. open that poll for editing
5. in the poll unit config comment-out Active option
6. in Admin Console try saving that poll
7. confirm that you'll get a nice error back saying, that 1 option doesn't exist

Part 3

1. locate all units that use kOptionsFormatter formatter
2. for each unit:
   1. try adding a new record
   2. try editing and changing the above-added record
   3. confirm that the unknown_option validation error (introduced in this Differential Revision) isn't happening
   4. report back each unit where an error happened during correct usage and explain that usage