Some Payroll configuration is to be added before a user can perform Unit testing, eligibility testing and Parallel testing in Smart .
To add pay period WIDs to be used for Parallel and unit testing , follow the steps as below:
1. Go to Admin --> Payroll Configuration
2. Click on 'Add Another Entry' at the bottom of the page
3. Add the processing period Alias and Workday ID for the period and hit Accept.