added two more purchase transactions for testing- route requires fiddling

Author: reembot

backend/sql/dummy_data2.sql

@@ -38,6 +38,9 @@ INSERT INTO Transaction (person_id, date, trans_type, site)
 VALUES ((SELECT MAX(person_id) FROM Person), NOW(), 'donation', 1),
        -- Add old transaction with goods that have been expiring.
        ((SELECT MIN(person_id) FROM Person), NOW() - INTERVAL '3 weeks', 'donation', 1),
+       -- Add three purchase transactions of same person_id:
+       ((SELECT MAX(person_id) FROM Person), NOW(), 'purchase', 1),
+       ((SELECT MAX(person_id) FROM Person), NOW(), 'purchase', 1),
        ((SELECT MAX(person_id) FROM Person), NOW(), 'purchase', 1);
 
 -- Insert test data for Trans_items