We added a new option for the test import functionality. From now, you can create a test set that will contain the test cases you are importing, directly from the test import page. For example, if you are importing 10 test cases from Excel/ Google Sheets, and you want all to reside in the same test set, you can check the 'Create TestSet' checkbox. After the box was checked, a default name for your test set that contains the date and time will appear in the text box next to it. This name can be edited from the text box.
If you have system or custom fields that are set as mandatory for the test set level, you wouldn't be able to create test sets from the import page, and you will see the following message:
In order to do so, set the relevant fields to not mandatory for the test import process, then set them back to mandatory after you are done importing.