public async Task ClearPaymentsData(IEnumerable <string> playlist)
 {
     if (configuration.ClearPaymentsData)
     {
         foreach (var file in playlist)
         {
             var ukprn = UkprnFromFilename(file);
             await paymentsContext.ClearPaymentsDataAsync(ukprn);
         }
     }
     else
     {
         await Task.CompletedTask;
     }
 }