=== TESTING APPROVED DONATIONS ===

1. ALL DONATIONS:
  - Donation #1: approval=Approved, status=Paid
  - Donation #2: approval=Rejected, status=Rejected
  - Donation #3: approval=Approved, status=Paid
  - Donation #4: approval=Approved, status=Paid

2. APPROVED DONATIONS (not paid):
  No approved unpaid donations found!

3. TESTING FULL QUERY WITH JOINS:
  Query returned no results!

4. CHECK TABLES EXIST:
  ✓ Table 'donations' exists
  ✓ Table 'centers' exists
  ✓ Table 'cases' exists